Beenas Unplugged News Today : Breaking News, Live Updates & Top Stories | Vimarsana

>> he wrote, "our marriage has seen better days and i don't see it trending up." i remember that really striking a chord with me. because i didn't know that their marriage had seen better days. >> reporter: so of course investigators wanted to interview jason young. maybe he could tell them something. but he refused to talk to them. >> he talked to the lawyer. and then under the advice of counsel he declined to speak with us at all. >> reporter: didn't ask about it? didn't ask how his wife died? >> no. >> reporter: perhaps, investigators thought, that business trip deserved a second look. so t...

Mike clinkelson do? well, to begin with, he told the jury, he agreed with the prosecution. jason young was not a good husband. >> he acted at times like an immature jerk. but that does not make him a killer. >> reporter: the defense was not about to make any more concessions, mind you. that jewelry box in the bedroom, there was dna on it. didn't match either michelle or jason. the suspicious activity at the hotel? there was a fingerprint on that camera and it wasn't jason young's. and there wasn't any forensic evidence that tied jason to the crime scene. there was no blood in his car. there wa...

>> reporter: was there any other tampering done? >> the door that was adjacent to where the camera was located, that door also had been propped open that night. >> how do you know that? >> the gentleman working as the clerk that night found a rock that had been placed in the door to keep the door from closing. >> well, then they plugged the camera back in, so it's now working again. and at about 6:35 that morning suddenly that camera is pointing straight at the ceiling. >> same camera? >> same camera. and it's tampered with yet again. >> reporter: if that was jason young's work, is it possible...

That wake county investigators t were asking themselves. >> as the investigation gets under way, a security camera provides a critical clue. it's not what it caught. it's what it missed and why. >> coming up -- >> there was a camera there that had beenas unplugged. >> d really? >> yes. it was one of the side exits of the hotel. >> who had something to hide? when "silent witness" continues. .