Season 4

Former detective Colin Sutton revisits the locations of various important cases and reveals how they were solved.

Colin Sutton returns to the case of the Chohan family, who vanished without a trace in 2003 before washing up one by one on the coast of the UK.

Former detective Colin Sutton revisits the locations of various important cases and reveals how they were solved.

The Murder of Sinead Healy: True-crime series follows former detective Colin Sutton as he revisits the locations of various important cases and reveals how they were.

When 31-year-old nurse Susan Annis was found dead whilst on a course at the Royal Brompton Hospital, police attributed her death to a heart condition. But three years later, a sexual assault in a hospital's emergency department led detectives to her killer.

With two men dead, and his mother seriously injured, a tangled web of friendship and murder all led back to one man: John Latus.