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For decades, no one knew who ‘Tent Girl’ was – a female corpse found in the woods, wrapped in a tent canvas. That was until Todd Matthews, whose father in law discovered the body, became consumed by the mystery. By day he was a factory worker, and by night he became an amateur detective – using the internet to find the unidentified woman’s family. Eventually, Todd would be known as the ‘first cyber sleuth’ and his important research would change how missing persons cases are dealt with around the world.

Presenter: Emily Webb
Producer: Sophie Eastaugh

Picture: Composite of the grave of 'Tent Girl' and Todd Matthews (saved in Outlook Online)
Credit: Ashley Simpson White and Todd Matthews

Get in touch: outlook@bbc.com