Born to Kill - Season 6

Robert Napper wreaked terror on south London, murdering two women and a child.

This edition focuses on childhood friends John Duffy and David Mulcahy who murdered several women in London.

Despicable duo Gerald and Charlene Gallego joined forces to rape and murder several teenagers.

This edition reviews the case of Levi Bellfield who murdered three women, including Milly Dowler.

Tony Costa murdered four women in 1969, before penning a chilling, unpublished novel detailing his crimes.

Ruthless Richard Cottingham murdered at least six people and dismembered his victims' bodies.

This edition explores the case of ex-marine Cleophus Prince Jr., who raped and murdered six women in 1990.

This edition examines the chilling case of Sean Gillis who stalked, raped and brutally murdered eight women.

The horrific case of Timothy Wilson-Spencer, who strangled five people in the 1980s. The case was historic as it was the first case solved with DNA evidence.

This edition explores the chilling case of killer cousins David Gore and Fred Waterfield.

After being convicted of attempted murder and kidnapping, David Carpenter went on to kill five women.

This edition examines the chilling case of Bobby Joe Long who raped 50 people and murdered nine.