that's why i ken dolezsar new david novak. be movie producer made ken's relatives suspicious. detectives drove over to the law for the spoke with mr. novak. >> he was soft spoken. >> and a bright man? >> he came across as very intelligent, yes. >> answered all of their questions, but it didn't seem to be much hope. and then, as detective carriger was preparing to leave, he tried one more question. that prepaid cell phone, one someone used to invite ken fatal meeting, the store had surveillance video of a man buying that very phone. ken's family said they didn't recognize him but it would novak? carriger showed him the photo. >> we asked, who is that? he said he's my neighbor, he lives two floors below. >> and just like that, a big piece of the puzzle popped into place. but, fair warning, as you will see, puzzle pieces and some residents of this downtown loft might not be quite what they seem. >> coming up -- >> a massive sense of disbelief. >> the investigation takes as many turns as one of the buildings hallways. >> i've never