captioning funded by cbs and ford. we go further, so you can. >> pelley: more than a quarter of cities and counties across america say they have fended off an attack on their essential computer networks. hospitals, city halls and transit hubs have all been crippled by sophisticated ransomware attacks. >> christman: cyber-crime has really become a way of life, and connected to everything we do, and really every crime we see. >> pelley: at what point does this ransomware come to our phones? >> christman: i think it's already on the doorstep for that. ( ticking ) >> last year, more americans died of drug overdoses than in the entire vietnam war. who is responsible for the opioid epidemic affecting almost every community?

big pharma? or the doctors prescribing the pills? tonight, an investigation into both. beginning with this doctor we found in a state prison. >> i see myself as a healer. >> doctor, you prescribed 1,000 opioid pills to a pregnant woman. >> i would like to stop. ( ticking ) >> tim green was a fearsome defender in the n.f.l., and a best-selling author. but he's on "60 minutes" tonight to reveal a secret he can no longer hide. he has a.l.s., or lou gehrig's disease. we first interviewed green in 1996, and he seemed to believe this day might come. you said, "i think guys would be willing to take ten, 20 years off the end of their lives, in order to get out there on sunday and play. i don't think that the consideration of your physical wellbeing in the future is in the forefront of any n.f.l. player's mind.

>> right. i stand by that. >> you don't have any regrets? >> no, no. ( ticking ) >> i'm steve kroft. >> i'm lesley stahl. >> i'm scott pelley. >> i'm anderson cooper. >> i'm bill whitaker. those stories, tonight, on "60 minutes." ( ticking ) [farmers bell] (burke) at farmers insurance, we've seen almost everything,

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♪ ♪ no matter when you retire, your income doesn't have to. see how lincoln can help ensure you still have income every month of your retirement, guaranteed, at lincolnfinancial.com. >> pelley: 22 towns, counties and police departments in texas are recovering after their computer systems were taken hostage just over a week ago.

the state of texas says the attacks, which happened simultaneously, were ransomware, and the f.b.i. is investigating. ransomware locks up a victim's files until money is paid or the users find another way to recover their data. more and more, critical public service networks are the targets. before texas, the city governments of newark, atlanta and baltimore were hit and san francisco's transit authority; the colorado department of transportation and cleveland's airport. as we first reported in may, 26% of cities and counties say they fend off an attack on their networks every hour. perhaps even worse, dozens of hospitals have been held hostage all across the country. in january 2018, the night shift at hancock regional hospital watched its computers crash with deepest apologies.

the 100-bed facility in the suburbs of indianapolis got its c.e.o., steve long, out of bed. >> steve long: we had never been through this before. and it's something that i read in the journals. and i say, "oh, those poor folks. i'm glad that's never going to happen to us." but when you come in and you see that the files on your computer have been renamed-- and all of the files were renamed, either "we apologize for files" or "we're sorry." and there was a moment when i thought, "well, maybe they're not so bad-- they said they were sorry." but, in fact, they had encrypted every file that we had on our computers and on the network. divert ergenatients to a to spit 20 miles ay.pa nothing electronic could be lg:. so, this is a virus that has gotten into the computer system. "would it have the ability to jump to a piece of clinical equipment? could it jump to an i.v. pump? could it jump to a ventilator? we needed a little time just to

make sure about that." >> pelley: but time was a luxury not offered in the ransom demand. >> long: "your network has been encrypted. if you would like to purchase the decryption keys, you have seven days to do so, or your network files will be permanently deleted." and then it gave us the amount that we would need to pay to get that back. >> pelley: and that came to? >> long: about $55,000. >> pelley: that was the same price demanded of the city of leeds, alabama, three weeks after hancock hospital. mayor david miller was surprised his town of 12,000 would be a target-- not much to notice in leeds, at least not since charles barkley graduated from the high school. >> david miller: i didn't know that this malware attack was actually a ransomware attack. as soon as we found that out, that took it to a little different level. >> pelley: how do you mean? >> miller: well, it was going to cost us some money. >> pelley: like the hospital, the city of leeds was cast back no access to its personnel files

or financial systems. can all companies and local governments expect to be attacked? >> mike christman: i think everyone should expect to be attacked. >> pelley: the f.b.i.'s mike christman says cyber-crooks know governments and hospitals are likely to pay because they can't afford not to. until his recent promotion, christman was in charge of the f.b.i.'s cyber-crime unit. you're waiting for the day that somebody says, "we have the 911 system held hostage in a major city, and we need $10 million today"? >> christman: i hope that day never comes, but i think we should prepare for that possibility. >> pelley: christman says in 2017, 1,700 successful ransomware attacks were reported, but he figures that's less than half. most businesses, he says, would rather pay than admit they were hacked. >> christman: i'm aware of one ransomware variant that affected all 50 states, that had some

$30 million in losses, and over $6 million in ransom payments. i would tell you that the losses are very significant, and easily approach $100 million or more, just in the united states. >> pelley: that ransomware variant he's talking about is the one that held hancock hospital hostage. it's called "samsam" after one of its file names. experts told steve long, "samsam" is unbreakable. >> long: there was nothing that we could do to unlock those files. our only choice was to wipe the system and hope that we had backups, or to purchase the decryption keys. >> pelley: to pay the ransom. >> long: indeed. that is exactly what that means. >> pelley: but "samsam" had infected the hospital's backup files. the f.b.i. advised long not to pay, but after two days, after his staff filled out 10,000 pieces of paper, he paid the ransom.

the crooks demanded digital money, known as bitcoin. ransomware is possible only because bitcoin is so difficult to trace. mayor miller held out two weeks before he paid his bitcoin ransom-- after a little bargaining. >> miller: i just had to grit my teeth and realize that this was a business decision, and that was the way to do it. >> pelley: so they asked for $60,000, and you paid $8,000. how did you get there? >> miller: well, i've got a degree in finance. ( laughs ) actually, our city inspector, and our city clerk let them know that, hey, you're dealing with a very small town, here. that's a lot of money to us. and, we think we can scrape together $8,000. >> pelley: the thieves were honorable. in leeds, at hancock hospital, and in many cases, the ransom buys decryption keys that actually work. the crooks need credibility to keep the ransoms flowing.

did you ever find out? >> miller: never. >> pelley: who they were, or where they were? >> miller: no. >> pelley: wouldn't you just love to know? >> miller: wouldn't i love to know. >> pelley: leeds may have been hit by one of the many ransomware variations that simply scan the internet, blindly, looking for vulnerable networks, wherever they may be. how many targets do they attack at a time? >> tom pace: you could conservatively say in the thousands, to tens of thousands. >> pelley: tom pace is vice president of blackberry-cylance, a leading security firm. so this isn't a crook sitting in front of a desktop, breaking a sweat, trying to break into somebody's system. this is something they unleash that's automated, and they sit back and drink coffee until they get the results? >> pace: that certainly appears to be the rule, not the exception. >> pelley: making the coffee may be the hard part. pace showed us a website that offers ransomware for rent. an attacker can use one of many illicit products here, and the website takes a cut if ransom is paid.

>> pace: and something else that's interesting here is, they actually provide you with basically a chat room, where you can ask questions to the people who maintain this architecture for you. >> pelley: frequently asked questions for criminals. >> pace: exactly. >> pelley: tom pace logged onto the site and used it to encrypt a network of his own. >> pace: so, all of the files that are on this system have now been successfully encrypted. >> pelley: so, this took you just slightly over five minutes, and you didn't write a single line of code? >> pace: correct. >> pelley: off the shelf. >> pace: off the shelf. ready to go. >> pelley: pace told us ransoms are typically modest, like at hancock hospital or leeds, alabama-- $50,000 or so. >> pace: if you're asking for millions from everybody, that's just, everybody doesn't have millions to pay, right? so, finding that sweet spot and sticking to it has worked well. >> pelley: and that's why the same ransom was asked of little leeds, alabama and great big atlanta? >> pace: correct.

>> richard cox: the city of atlanta has experienced a ransomware cyber-attack. >> pelley: three weeks after leeds, "samsam" slipped into atlanta's city hall. howard shook is a councilman and chair of the finance committee. >> howard shook: 911 was up and running, but, for a while, the police did not have the ability to do computer checks on license plates, and, you know, cars they were pulling up on, and that kind of thing, which was a concern. >> pelley: what else crashed? >> shook: the court system went down, which was a major inconvenience for the thousands of people cycling through municipal court. >> pelley: "samsam" demanded $50,000, but atlanta refused to pay. instead, the city spent $20 million to recover on its own. it took months, and seven years of police dashcam video was never recovered. why did you think paying was a bad idea? >> shook: at first, it was just instinctive. i mean, if you're being

violated, i don't know why you should reward somebody for having done that. >> pelley: it must gall the hell out of some of your clients to pay the bad guys. >> pace: absolutely. i mean, we have lots of clients who are incredibly angry. i mean, you have to imagine, this is, for many of them, the worst day of their professional career, and sometimes their life. >> pelley: a day made even worse by the occasional high-end ransom. pace told us one of his clients paid almost a million dollars. another paid up after receiving this threat: >> pace: "would it not be a shame if we leaked all of your internal data about your clients and customers? sounds to us like a large lawsuit waiting to happen." so, they're extorting them in two ways. they're extorting them by actually encrypting all the files, and then they're extorting them by threatening to also release the data. >> pelley: once this transaction is completed and the client gets his files back, how does he know he's not going to be attacked >> p to y to really prove that il.we t and d

of mg sureabities and entry points, but there is no guarantee that they won't come back to the same organization that they just successfully impacted, though we haven't seen that happen very often. though it has happened. >> pelley: last year, the justice department said it unmasked "samsam." a grand jury indicted two iranians, neither named sam. the f.b.i. says the two iranian suspects were in it for the money, not espionage. they collected $6 million before they went quiet after the indictment. prosecutors say the suspects are in iran, where they can't be extradited. the most threatening ransomware tends to come from countries, including russia, that the f.b.i. can't reach. is cyber-crime becoming to the f.b.i. what banks were in the >>isan: i think it is. cyber-crime has really become a way of life, and connected to everything we do, and really,

every... every crime we see. and i know that by 2020, we expect to see 50 billion devices worldwide connected to the internet. >> pelley: so the question becomes, at what point does this ransomware come to our phones, where some crook says, "i've got your phone, send me 50 bucks"? >> christman: i think it's already on the doorstep for that. i think some of those devices that connect to the internet can not only be compromised, but they can be used to facilitate other attacks, under the command and control of bad actors. >> pelley: this can be, "i have your phone, i have your car, i have your house"? anything that's connected to the internet? >> christman: absolutely. ( ticking ) who's dog is this? it's my special friend, antonio. his luxurious fur calms my nerves when i'm worried about moving into our new apartment. why don't we just ask geico for help with renters insurance? i didn't know geico helps with renters insurance.

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>> whitaker: in the annals of "60 minutes," we have rarely come across a doctor like florida physician barry schultz. prosecutors say he wantonly prescribed and sold massive quantities of highly addictive opioids. as we told you last september,so years for his role in fueling the most devastating public health crisis of the 21st century.

last year, more americans died of drug overdoses than in the entire vietnam war. while schultz ended up in jail, mallinckrodt, the pharmaceutical company that flooded the nation with tens of billions of opioid pills, paid a relatively small penalty. the question now being debated in congress and in federal court is: who is responsible for the opioid epidemic? the doctors who prescribed the pills or the opioid manufacturers and distributors who supplied them? dr. barry schultz is an inmate at florida state prison, where he will likely be incarcerated until the day he dies. in this, his only interview, schultz said he wanted to go on camera to explain that he has been singled out unfairly. >> schultz: i'm a scapegoat. >> whitaker: you're a scapegoat. >> schultz: i mean, i was one of hundreds of doctors that were prescribing medication for chronic pain. >> whitaker: the prosecutor

called you a killer. >> schultz: i see myself as a healer. in my mind, what i was doing was legitimate. >> whitaker: in the early 2000s, schultz was a pioneer on the wild west frontier of pain treatment. doctors, drug dealers, opioid users, and abusers were flocking to florida, where powerful pain pills were being prescribed and dispensed by a new type of business, pain clinics. >> aronberg: we had more pain clinics in the years 2010 and 2011 than we had mcdonald's, in those years. there was one street in broward county oakland park boulevard that had 31 different pain clinics on the one street. >> whitaker: florida state attorney dave aronberg's office prosecuted barry schultz. he told us pain clinics were loosely regulated medical offices where patients could pick up pills, usually for cash... few questions asked. >> aronberg: you could get the prescription and get the drug

right there on the spot. one-stop shopping. people would race down to florida, because we didn't have the same controls as other states. we fed the entire nation's addiction. >> whitaker: this mob scene, shot on a cell phone in 2009, is inside a florida pain clinic-- dozens of patients waiting to get their opioids. schultz operated a clinic like this in delray beach, where he treated thousands of patients. how would you describe dr. barry schultz? >> aronberg: he was one of the most notorious drug dealers we had. he prescribed an egregious amount of pills to his patients. the numbers would shock the conscience. >> whitaker: d.e.a. records show in 2010, one patient of dr.wacrl 17,000 of the highest potency oxycodone pills in a seven month

period; another got more than 23,000 over eight months. that's more than 100 pills a day. business was so good, schultz was making more than $6,000 a day prescribing and selling opioids to his patients. >> whitaker: the numbers of pills that you were prescribing were astronomical. who takes that many pills and puts them into their body? what were you thinking? >> schultz: i was thinking that the patient was a genuine patient who had real chronic pain, whose complaints were legitimate, and that i was prescribing medication that they needed. >> whitaker: doctor, you prescribed 1,000 opioid pills to a pregnant woman. i don't think most doctors would prescribe 1,000 aspirin to a pregnant woman. >> schultz: i would like to stop. >> whitaker: i would just like you to ein >> schultz: i would like to stop. this is not what i expected it. i believe it's unfair.

>> whitaker: what is unfair, doctor? >> schultz: i am just uncomfortable with-- with these charged questions. >> whitaker: these are questions that people have. this is why you're sitting here, wearing this jumpsuit. ultimately, he agreed to continue. he claimed some of his patients needed extremely high doses of opioids for long periods of time to alleviate severe, persistent pain. >> schultz: and when i started treating people with chronic non-cancer pain, i felt it was unethical and discriminatory to limit the dose of medication. and if i had known that the overdose incidents had increased dramatically the way it had, i would have moderated my approach. >> whitaker: doctor, how could you have not known? all you had to do was pick up the paper. in 2009, more than 2,900 people died in florida of drug overdoses, mostly from

prescribed opioid pills. in one 16 month period, d.e.a. records showed barry schultz dispensed 800,000 opioid pills from his office pharmacy. people have become addicted to these drugs. people have died-- >> schultz: okay. >> whitaker: --because of these drugs. people in your practice died from overdoses of opioids. >> schultz: a person. >> whitaker: one is enough. >> tain: that monster ended my son's life. >> whitaker: carol tain's son, david, went to dr. schultz for pain management after a car accident. schultz prescribed an assortment of pain pills even after david became addicted. in 2010, david died of an overdose of opioids prescribed by dr. schultz. so, should dr. schultz have prescribed these pain pills to him? >> tain: no. he didn't even examine him. he hadn't seen him in four-and- a-half years.

he just-- just wrote-- wrote out these scripts. as far as i'm concerned, he's a murderer and-- and not a doctor. he murdered my son. he-- he didn't need a gun. he used his pen to murder my son. >> whitaker: schultz says he was inspired to prescribe high doses of opioids after attending a lecture by this man, dr. russell portenoy, who was the influential president of the american pain society. portenoy traveled around the country giving lectures and made promotional videos, like this one in 2000, touting opioids as wonder drugs-- urging doctors to use them aggressively to relieve pain. >> portenoy: the likelihood that the treatment of pain using an opioid drug, which is prescribed by a doctor, will lead to addiction is extremely low. >> whitaker: but ten years later, as opioid addiction exploded, doctor portenoy said he had been part of a broad

campaign funded by pharmaceutical companies to encourage the widespread use of opioids. >> portenoy: i gave innumerable lectures in the late 1980s and 1990s, in which i said things about addiction that weren't true. >> whitaker: he said he believed at the time he was operating in good faith and was not unduly influenced by the pharmaceutical industry, still he has been named in dozens of lawsuits. dr. russell portenoy? he was paid by the drug companies and has said that there is no proof that these-- that high doses of opioids are effective in treating chronic pain. >> schultz: that may be true. but there is a doctor-- >> whitaker: it is true. so, there's no science to back up what you were doing. >> schultz: there's only anecdotal information. >> whitaker: i-- i guess what i find troubling is... your lack of acceptance that what you did

was wrong. >> schultz: i don't believe it was wrong. >> whitaker: when you're giving somebody 60 oxycodone a day, how could they not abuse it? >> schultz: 60 a day is a large number, i admit. >> whitaker: that's a very large number. >> schultz: but if it's taken properly-- >> whitaker: how can you take 60 oxycodone a day properly? >> schultz: some people need that dose. >> whitaker: there is no scientific evidence to support that claim. with so many opioids prescribed by schultz and other unscrupulous doctors, pills started flowing into the streets and resold for profit-- what the d.e.a. calls, "diversion." 66% of all the oxycodone in florida came from just one company: mallinckrodt, one of the country's largest opioid ld us,etween 2008 and 2012, the company flooded the state with pain pills.

>> aronberg: mallinckrodt sent 500 million oxycodone pills to the state of florida, a state with a population of 20 million people. we're talking about enough pills to give every resident of florida 25 oxycodone pills. >> whitaker: how is that possible? >> aronberg: i mean, you're talking about enough pills to create an entire state of addicts. >> whitaker: internal justice department documents, obtained by "60 minutes," reveal that "mallinckrodt's own data on barry schultz indicated that he was purchasing large amounts of oxycodone in a suspicious pattern indicating diversion." yet, the company kept shipping the drugs to the distributor it knew was supplying schultz. the company's behavior was so flagrant, it triggered a d.e.a. investigation led by jim rafalski. >> whitaker: so what role does mallinckrodt play in this opioid crisis?

>> rafalski: they're responsible. >> whitaker: they are responsible. >> rafalski: it-- especially for the conduct in florida. >> whitaker: that's a big statement. >> rafalski: how can you not be responsible? how could you walk away from 500 million pills to a geographic area like the size of florida, and knowing at the time, this was occurring, there was an opioid crisis there? that wasn't a secret. >> whitaker: rafalski, now an expert witness for states and municipalities suing drug identified almost 44,000 orders mallinckrodt should have reported as suspicious, which the government says the company is required to do by law. rafalski says mallinckrodt reported none. but when d.e.a. investigators handed their evidence to the justice department, government lawyers, fearing a long uncertain legal battle, decided not to pursue the case in court, but to settle instead. >> whitaker: if you'd have gone

after mallinckrodt for everything you saw them doing, what would the fine have been? >> rafalski: 2.4 billion dollars. >> whitaker: and the actual fine was? >> rafalski: 35 million. >> whitaker: the penalty amounted to less than one week of the company's annual revenue. mallinckrodt declined to do an on-camera interview, but told us it never sold oxycodone directly to dr. schultz, only to distributors. in a press release, the company denied "it violated any applicable laws," but said going forward it would analyze all internal data and identify suspicious sales. >> now, call to order. >> whitaker: now the pharmaceutical industry is coming under scrutiny. last year, a congressional committee called the heads of the five leading drug distributors, the middlemen that ship the pain pills from manufacturers like mallinckrodt to drug stores around the country.

mississippi congressman greg harper asked if they were complicit in causing the drug crisis. >> do you believe that the actions that you or your company took contributed to the opioid epidemic? mr. barrett? >> no, sir, i do not believe we contributed to the opioid crisis. >> dr. mastandrea? >> yes. >> only one of the five said yes. >> whitaker: now, this house committee has launched an investigation into mallinckrodt and other drug manufacturers. the justice department has formed a task force targeting opioid manufacturers and distributors. >> you were convicted of 55 counts of drug trafficking. >> whitaker: as for barry schultz, shortly after our interview, he received a final sentence-- 157 years-- the longest sentence of anyone so far in this opioid crisis. ( ticking )

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>> kroft: in football circles, tim green has always been known as a renaissance man. he was an all-american defensive lineman at syracuse university and an english major who graduated magna cum laude. he spent eight years sacking quarterbacks for the atlanta falcons, and picked up a law degree in his spare time. and during a decade in the broadcast booth for fox sports, he started writing books. six became best sellers. then last september the man who seemed to be able to do anything sent us news he could no longer hide.

he is suffering from a.l.s., lou gehrig's disease-- one of a growing number of n.f.l. players to receive that diagnosis. his body is starting to fail, and his voice has lost its timbre. but his story is even more compelling now than it was when we first met him back in 1996, upon the publication of his football memoir "the dark side of the game." >> tim green: you cannot go through an n.f.l. season without doing serious damage to your body. >> kroft: 22 years later, tim green spent last fall, as he has most falls, on the football field, coaching the young skaneateles lakers. he wasn't able trch upnd down the sidelines or yell out instructions the way he used to... >> tim green: ( hoarse yelling ) >> kroft: ...but he was still out there, encouraging his players, most of whom had little idea what their coach is facingt

there was something wrong? >> tim green: it was a small thing. i couldn't use my nail clipper. >> kroft: nail clipper? >> tim green: yeah. i couldn't do that. and then it got hard to open things. >> kroft: tim green didn't make much of it then. just a few more battle scars from his days in the n.f.l. the first time we met him, he told us he had a lot of them. >> tim green: i have enough aches and pains to know that i played the game. >> kroft: he was three years removed from a playing career in which he roamed the field like a predator, first in college at syracuse... >> tim green! >> kroft: ...and then as number 99 with the n.f.l.'s atlanta heas aioackler and a voracious reader, a man who devoured "war and peace" in the locker room before going into battle. in retirement, he kept his body fit and his mind sharp by

writing novels for young and old at the upstate new york home that he shared with his wife and children. but by the summer of 2016, at age 52, he finally admitted to his son troy that he felt something was off. >> troy green: he was saying to me, you know, "my hands, you know, it's getting hard for me to hold the weights." and i'd make a joke, "oh, you're getting old." >> kroft: tim decided to see a prominent hand surgeon. >> tim green: and he looked. he said, "i think you have a.l.s." i said, "no, i don't." >> kroft: that same day, he went straight to mount sinai hospital neurologist. >> tim green: and, you know-- >> kroft: what'd he tell you?

>> tim green: "get your affairs in order." >> troy green: he basically said that the end is near, you better get your affairs in order. >> kroft: not what you wanted to hear? >> tim green: no. >> kroft: a.l.s., the three letters he didn't want to hear, stands for amyotrophic lateral sclerosis, a rare disease that new york yankee legend lou gehrig gave a name and a face to 80 years ago, and that recently claimed the life of physicist dr. stephen hawking. it destroys the nerves that move muscles, eventually making it impossible to walk, speak or breathe. tim understohat ad been vea ath sentence. he also had no interest in doctors, treatments or sympathy. >> tim green: i said, "we're not talking about it." >> troy green: it was almost taboo.

even, even around the house, no one, we wouldn't talk about it, we wouldn't address it. it was just kind of like the elephant in the room. >> kroft: were you in denial? >> tim green: no, i knew i had it. >> kroft: you didn't want to waste any time thinking about it? you just wanted to live? >> tim green: exactly. >> kroft: most a.l.s. patients are given two to five years to live, and tim green wanted to enjoy whatever time he had left with his five kids and wife of 29 years in the beautiful town of skaneateles, which sits at the top of one of new york's finger lakes. >> tim green: life can never be long enough. >> kroft: life can never be long enough. >> tim green: yeah. >> kroft: few outside tim's family knew of the diagnosis. he continued making public appearances, like this one in march 2017 on "cbs this morning"

alongside derek jeter. they were promoting their collaboration on a baseball book for middle school kids. >> there's so much rich messages in the story. >> kroft: difficult to tell that there was anything wrong with you. >> tim green: i could still enunciate my words more clearly. but that was a year and a half ago. >> kroft: tim's condition began deteriorating in the months after that appearance. his family finally convinced him to see a neurologist in boston. he was examined by dr. merit cudkowicz, the director of the healey center for a.l.s. at massachusetts general hospital. what's tim's prognosis? >> dr. merit cudkowicz: he has one of the better prognoses because he has a slower form. however, everybody with a.l.s. has a serious prognosis. it is, today, a fatal disease. >> kroft: and there's no cure? >> dr. cudkowicz: there's no cure today.

but there are some treatments, and there's a lot of advances in science and a lot of hope for our patients. >> kroft: dr. cudkowicz put green on a new treatment can slow the progression of a.l.s. by a third. he says he's noticed the difference. >> dr. cudkowicz: your mood is okay? >> tim green: yeah. oh, yeah. >> kroft: no one knows exactly what causes a.l.s. in tim green's case, head trauma is a leading suspect. scientists caution that the data linking football to the disease is not conclusive, but the n.f.l. concussion settlement specifically covers a.l.s., and tim green believes there's a connection. how much of this do you think has to do with football? >> tim green: i think probably >> kroft: he says he lost track of the number of concussions he suffered playing football. >> tim green: i used my head on every play.

every play. every snap. it was like throwing myself head-first into a concrete wall. >> kroft: did you ever think about it while you were playing? >> tim green: no. no. >> kroft: he even used his head to celebrate on the field. at the time, he says, no one was concerned about possible brain damage. during his n.f.l. career in the late '80s and early '90s, pre-season practices were particularly brutal. tim's wife illyssa remembers the pounding he took. >> ilyssa green: his head was so swollen, he would put, have to put vaseline all over his head to get his helmet on. >> tim green: practice was much worse than the games. >> kroft: and you didn't go easy in practice? >> tim green: no! i was nuts. ( laughs ) >> kroft: you seem like such a mild-mannered guy.

>> tim green: i am. i am. >> kroft: but not on a football field? >> tim green: no, no. >> kroft: when we interviewed tim green in 1996, he addressed the violence and risks inherent in the game, and seemed to believe that this day might come. you said, "i think guys would be willing to take ten to 20 years off the end of their lives, in order to get out there on sunday and play. i don't think that the consideration of your physical wellbeing in the future is in the forefront of any n.f.l. player's mind. >> tim green: right. i stand by that. i've maybe taken that much off the end of my life. maybe more. i don't know. >> kroft: you don't have any regrets? >> tim green: no. no. >> kroft: to fully understand, he says, you have to know what it was like being out there,

doing something you dreamed of, and experiencing, even for a moment, the intensity of 60,000 people screaming for you and your teammates, and feeling that energy through every pore in your body. >> tim green: it was as magical and wonderful as i dreamed it would be. >> kroft: tim green believes if his football career had started 30 years later, he might not be fighting for his life today. new n.f.l. rules have drastically cut back helmet-to- helmet contact in practice, and it's penalized in games. he follows those guidelines with the youth team he coaches, limiting contact during practices. his 12-year-old son, ty, is the team's star quarterback. tim doesn't want him to play defense. the trophies from his n.f.l. career fill his office, but instead of mounted heads of lions, tigers and bears, there

are pictures of the big game quarterbacks he's brought down: >> tim green: joe montana. >> kroft: yeah, number 16. 49ers. >> tim green: he was the king back then. >> kroft: and that is dan marino? >> tim green: yeah. yeah. >> kroft: i like that. best time of your life? >> tim green: no. best time of my life is right now. >> kroft: right now? >> tim green: yeah. >> kroft: why? >> tim green: i have everything. >> kroft: tim green was adopted, so "everything" to him means family. the greens all live e in the sae neighborhood, and they eat dinner together five nights a week. he works out with his sons almost every day at his home gym to keep his muscles functioning. the kids say their dad's not going to quit...

>> troy green: he'll never give up. >> tessa green: i don't think i've ever seen that in his... >> tate green: never. >> tessa green: ...things that he does. he's never... >> troy green: he doesn't give up in tic-tac-toe, he's not-- >> tim green: i don't think about, about what i can't do. >> kroft: and you can still write? >> tim green: yeah. and i can write. and, you know, that opens up a universe. >> kroft: writing offers him an escape from his illness. he's authored 38 books overall, four since his diagnosis. he wrote the last one on his smartphone using his thumbs-- all 300 pages. so this is a new book? >> tim green: yeah. yeah. >> kroft: his thumbs no longer work that well, but his mind is just fine. he's using technology to forge ahead with book number 39. >> tim green: there's a sensor. >> kroft: there's a sensor in his glasses that he can move to

lock on letters on his keyboard. he then clicks on a mouse, and words are formed, letter by letter. how far along are you on this, this book? >> tim green: i'm about halfway. >> kroft: he's a little behind schedule-- the first deadline he's ever missed. >> tim green: i apologized to my editor. >> kroft: i think your editor understands. >> tim green: she did, yeah. >> kroft: more scientists than ever are trying to unlock the mystery of a.l.s. and its causes, but it's still an under-funded disease. >> troy green: this is what the website will look like. >> kroft: that's why tim and his family are starting a social media campaign, called tackle a.l.s., to raise money for research. current and former n.f.l. stars matt ryan... >> matt ryan: let's beat this. >> kroft: ...von miller... >> von miller: let's beat this. >> kroft: ...and brett favre... >> brett f: at >> kroft: ...have all joined the team. but tim understands that he may not be around to see the benefits. in the time he has left, however

long that may be, he is content to enjoy the power of his boat, and the company of his family. he just feels blessed for who he was, and what he has. >> tim green: people would say "tim, god bless you." and i'd say, "he already has." >> kroft: an update: tim green is still hanging in there. and he's almost finished with book number 39. ( ticking ) >> tim green on his emotional interview. >> tim green: these are tears of joy. >> go to 60minutesovertime.com. as a small business owner, the one thing you learn pretty quickly, is that there's a lot to learn. grow with google is here to help you th into tion. puttinyo witstomndttin the skills to use new tools. so, in case you're looking, we've put all the ways we can help in one place.

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captioning funded by cbs >> announcer: previously on "big brother," head of household michie had christie in his site. >> i nominating you and analyse. >> christie is my white whale, she is man i latif and a po-- powerful threat to me, i'm going hunting. >> announcer: but qulisie couldn't understand why nick wasn't in danger. >> i think he is with swrak son since the beginning. >> and relations with her former ally became rocky. >> it is strange that you are not on the block. i also just think it's weird that you do have a deal with michie and holly. >> i am superhonest, mi not working with michie or holly.

>> julie: after michie won