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 informatiled authorize int basement picking up a human scent, bringing in a team of investigators certaining the ba searching the basement all day long. basically tearing the basement apart, i imagine? reporter: they are. in fact, they also don t have this man in custody, but they know who he is and where he sand are in contact with him. they re using jackhammers. set up in the grids a cement floor, ta
areished 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. she has the latest breaking developments. i understand you have something that tells us what led officials to that building. 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 time he was a carpenter and and part-time handyman. i m told he had befriended the boy and given him a dollar. we don t know the circumstances how this came about, in fact this led authorities into that basement picking up a human scent, bringing in a team of investigators, and they ve been searching the basement all day long. basically tearing the basement apart, i imagine? reporter: they are. in fact, they also don t have this man in cu
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 time he was a carpenter and and befriended the boy and given him a dollar. we don t know the circumstances how this came about, in fact this led authorize into a basement picking up a human scent, bringing in a team of investigators certaining the searching the basement all day long. basically tearing the basement apart, i imagine? reporter: they are. in fact, they also don t have this man in custody, but they know who he is and where he sand are in contact with him. they re using jackhammers. set up in the grids a cement floor, taken out part of the back wall and plan on being here five straight days. any evidence they collect including the dirt on the floo
dead. his remains never found. tonight, though, just blocks away from his home in manhattan s sojo district, police and fbi agents believe they re on to something. susan canned yacht okand yaucan developments. you have some information on what led investigators to that building. what do you know? reporter: law enforcement sources tell me 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 time he was a carpenter and part-time handyman. i m told that he had contact with this little boy in his basement, had befriended him and given the little boy a dollar. now, we don t know the circumstances about how this came about, but in fact this information led authorities to brung bring in a cadaver dog into that basement which picked up a human scent. that in turn made them bring in a team of investigators and they have been searching this basement all day long. so they re basically at this point tearing that basement