Former Detective Chief Inspector Colin Sutton spent 30 years in the police force, a career that saw him lead many of the most high profile and successful murder investigations of his generation. In this brand new and exclusive series, Sutton revisits cases he led and explores everything from the crime itself through to the breakthrough moment when the suspect was identified and arrested.
Allan Chappelow: A reclusive millionaire, Allan Chappelow was brutally murdered by Chinese dissident and MI6 informant Wang Yam in an apparent identity theft scheme. (S2, ep 9)