S1, EP3 "The Suffolk Strangler: Steve Wright"
Pam Wright discovers in 2006 that the unidentified killer who snatched five prostitutes from the streets of Ipswich and strangled them is her own partner.
S1, EP2 "Scotland's Worst Predator: Peter Tobin"
Peter Tobin raped and murdered Angelika Kluk in 2006, and with the help of his ex-wife, Cathy Wilson, a groundbreaking investigation unearthed more victims and revealed him to be a serial killer.
S1, EP1 "The Black Widow's Web: Joanne Dennehy"
Spree killer Joanne Dennehy's daughter Shianne shares how she has struggled to come to terms with the realities of being the child of Britain's most dangerous woman.