Watch Series: Killer Psychopaths Released in (2015) - Season 1 produced by UK, The TV Series categorized in Documentary, and content rating 1h with duration 45 min broadcasted as these networks Channel 5, Streamed at Putlocker & directed by Nick Aarons. 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. - Season 1