Episode 1: Peter Tobin
Documentary profiling notorious serial killers, beginning with Peter Tobin, who hid the remains of one victim under the floorboards in a Glasgow church in 2006.
Episode 2: Altemio Sanchez
The case of Altemio Sanchez. The apparently “perfect neighbour”, pillar of the community and churchgoer targeted Buffalo, New York during a campaign of rape and murder that spanned three decades, killing three women.
Episode 3: Alton Coleman and Debra Brown
The case of couple Alton Coleman and Debra Brown, who terrorised America’s Midwest in 1984, killing eight people.
Episode 4: Stephen Griffiths
Stephen Griffiths, dubbed the “Crossbow Cannibal”, who murdered three people with each being horrifically dismembered and mutilated in his flat in Bradford, West Yorkshire.
Episode 5: Graham Young
The story of 14-year-old misfit Graham Young, committed to Broadmoor in 1962 after poisoning his stepmother and attempting to kill his father, sister and friend.
Episode 6: Joanna Dennehy
Joanna Dennehy, who lured two of her three male victims to their death with the promise of sex, and whose spree ended with two knife attacks in broad daylight. Last in the series.