Verdens førende kriminalpsykologer undersøger par, der begår mord, ved at dykke ned i sindet hos nogle af historiens mest berygtede forbrydere.
In 1991, Phillip and Nancy Garrido kidnap 11-year-old Jaycee Dugard, keeping her as a sex slave. Their sick world collapses in 2009 when investigators finally suspect foul play.
S4E14 42 min
