Catching a Killer

A 19-year-old boy is shot through an open window in a quiet street. Catching a Killer follows the police investigation. Is there more to the case than meets the eye, with a potential second suspect?

At 6pm on 31 January 2017, three days after Chinese New Year, 64-year-old Hang Yin Leung hears a knock at the door. She's alone at home and not expecting any visitors. Her husband works seven days a week at the takeaway business they've built together. She answers the door and, within seconds, the lives of this hard-working family are changed forever. A violent attack by six men leaves the house ransacked. They are heard laughing as they run off down the road with bags of stolen goods and the family savings. But the worst is yet to come: as Hang Yin reveals to police the true nature of the attack, she falls ill and is rushed to hospital. She never recovers. Her death launches a huge cross-border manhunt and one of 'the most difficult homicides' the detectives have ever investigated.

When Peter Farquhar passed away, no one was suspicious. But later, after the death of his neighbour, the police discover an almost unbelievable story of love and betrayal.

An inside look into Thames Valley Police's largest murder investigation in years as they try to find the murderer of a 21-year-old Kyron Lee who was knocked off his bike, chased and stabbed to death, with the only evidence being a body, CCTV of five masked suspects and a stolen vehicle.