Polly Klaas - Kidnapped

Series 1 - Episode 1 Polly Klaas - Kidnapped

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Summary

How scientists traced the murderer of 12-year-old Polly Klaas, who was snatched from her home during a slumber party by a stranger. Laser technology detected a normally invisible palm print, and fibres collected from the scene were eventually matched to the killer, enabling a conviction.
Documentary