Spree killer Joanne Dennehy stabbed three men to death in 2013. Now, for the first time, 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.

Peter Tobin murdered Angelika Kluk in 2006, but police suspected this was not his first kill. With the help of his ex-wife Cathy Wilson, a ground-breaking investigation unearthed more victims, and revealed Tobin as a serial killer.

In 2006, an unidentified killer terrified the rural town of Ipswich snatching five woman from the streets and strangling them to death. When Pam Wright discovers that the killer was her own partner, her world begins to crumble.