Information for The Makings of a Murderer - 2 - The Real Manhunter at Town Hall, Cheltenham (Talk). Colin Sutton was a police officer for 30 years, serving as the head of a Metropolitan Police Murder Squad for the last nine of them. After retirement, he wrote books about two of his major investigations; these were then adapted into the acclaimed drama series Manhunt. Colin also writes and presents The Real Manhunter, which is now in its third season. In the show Colin will talk you through his career, how policing has changed, what it is like to chase a serial killer and how he made the step from policing to storytelling.