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Discover the full story of homicide investigations, from crime to arrest to trial and beyond, in our brand new First 48 zone.
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Click on one of more than 100 locations around the UK and delve deeper into some of Britain’s most infamous and shocking crimes.
Come with us as we delve into Britain's dark side
You've seen them immortalised on the big screen, now meet the real thing
We investigate the dark personalities of the men we hope never to meet