The secret history of catching criminals
Where there's a murder, there's a body, and it's often the most significant piece of evidence, preserving important clues. This episode features the first investigation in which DNA fingerprinting was used to convict a serial killer, unearths a historic case involving a college janitor turned detective, and explains how you go about putting a name to a body when it's been dissolved in acid.
Note: This BBC production not available in Hong Kong, Macau, Taiwan, Mainland China, Japan, USA, Canada.
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