Catching a Killer S01E04 - A Knock at the Door

Episode Overview

Over the course of a year, cameras track Thames Valley Police as they investigate the brutal murder of 64-year-old Hang Yin Leung, killed during a home invasion in Milton Keynes in January 2017. The documentary weaves together the police’s relentless search for the killers with a deeply personal look at a British-Chinese family grappling with unimaginable loss. Alongside the investigation unfolds the story of Hong Kong migrants who moved to the UK hoping for a brighter future for their son.

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