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Catching History's Criminals: The Forensics Story

Episode 2: Traces of Guilt

Duration: 59 minutes

on BBC Four

Gabriel Weston looks at cases that were solved by examining the smallest traces of forensic evidence, and investigates the cutting-edge techniques being used today. Show more

BBC Four

About BBC Four

BBC Four reflects arts, music and culture with an ambitious range of intellectually and culturally enriching programmes, taking an expert and in-depth approach to its subjects.