Transcript for 'Truth and Lies: The Murder of Laci Peterson' airs Tonight at 9 p.m. ET on ABC
With a perfect couple. Queasy have been stunning. Was that good looking husband of the women decent act and she was he's lucky wife he married America's sweetheart there's just perfect together. CE OK beautiful intimate be less. The troops things started going sideways. Waste eight months pregnant 46 year old Lacey Peterson vanishing Christmas it's Christmas see why would add beautiful pregnant wife suddenly go missing it was incredibly. With the start of the suspense and the mystery deepens we have. Its secrets. This isn't what is it you don't know about Scott Peterson Scott wanted to be more than anyway she wanted to beat out which guy with the trophy wife he's each year we did have ever. A romantic relationship she was his girlfriend I really liked him but yeah. Are you kidding me she was a girl who had been duped amber Frye was not his first lover outside parents and how it all came. Crashing down on me. Ever. Showtime girl images of scary injuries are up everywhere. I'm his job how did not. Really thought he'd get away with it. Even started trying to sell his story pieces smooth as they get. C news exclusive. It was a good idea did do a few interviews here or there but it was a bad idea to do and what Diane Sawyer humor during your life time. Now while she stonewalling key now is the enemy number one. Years on death row. Works that could get him and try. New reporting new interviews new details never before seen. Leasing and Scott Peterson who is almost like I. I've got is for Scott Peterson Peterson's September 14 did not meet central to our true crime document. Her son only on ABC.
This transcript has been automatically generated and may not be 100% accurate.