CNNW Anderson Cooper 360 April 20, 2012
milk carton he vanished in 1979. in 2001 declared legally dead, remains never found. tonight, though, just blocks away from his home in manhattan's soho district, police and fbi agents believe they're on to something. susan candiotti is there for us. what do you know? >> reporter: law enforcement sources tell me that they came here based on new and old information that led them to a man. a man who is now in his mid-70s. but at the satime he was a car carpenter and and befriended the boy and given him a dollar. we don't know the circumstances how this came about, in fact this informat...