well, just days before the one-year anniversary of cory monteith's drug overdose death in a vancouver hotel, tragedy strikes "glee" again. >> the boyfriend of becca tobin, who plays kitty wilde on the show, was found dead in a philadelphia hotel room. the mysterious circumstances hitting way too close to home for the cast, still recovering from the loss of a star. >> that is still really raw for everybody. so tonight cory's father remembers his son. but first let's start in philly, where an investigation is under way. carlos greer is on the ground for "e.t." >> at this point in time central detecs,