Season 1
- 1Joanna Dennehy10 Feb 2015
- 2John Duffy and David Mulcahy17 Feb 2015
- 3Dennis Rader24 Feb 2015
- 4The Suffolk Strangler3 Mar 2015
- 5The Devil's Disciple21 Apr 2015
- 6The Nazi Killer28 Apr 2015
Presented by criminologist Professor David Wilson, this series focuses on the cases of seven notorious, cold-blooded psychopathic killers. Professor Wilson walks in their footsteps, living and breathing their movements and speaking to those closest to them as he tries to get inside their twisted minds.