Scott Peterson: 5 Things To Know On Convicted Killer Getting His Own 'Dateline' Special

Thought you knew the whole story? Think again! On a Apr. 21 episode of 'Dateline,' Scott Peterson's prosecutors will open a new chapter on the murder of his wife, Laci, and their unborn child. Here's 5 things to know about the convicted killer! Infamous would probably be a better word to describe Scott Peterson , 44. The reason he's so heavily talked about is because he was convicted of first-degree murder for killing his wife, Laci , who was 8 months pregnant at the time.