Expert Witness — Season 1, Episode 12: Pollen, Chalk and DNA

Episode synopsis

How expert analysis of nettles and chalky soil helped catch the killer of Soham schoolgirls and how advances in DNA techniques finally solve the murder known as Beauty in the Bath

About Expert Witness

This dramatic true crime series reveals how some of the UK’s most serious and complex cases were solved by the expertise of a band of unsung heroes – the expert witnesses.

More episodes from Season 1

• E1Soil and Insects
• E2Blood Under Paint and Gait
• E3Forensic Imaging and MSN Chat
• E4Fibre Trails and Diamonds
• E5Pollen in a Field and Fibres in a Car Crash
• E6DNA, Fibres and Bones
• E7Aging Insects and Fake Fairies
• E8Soil on a Spade and Stones in a Shoe
• E9Cerium and CCTV
• E10Pollen, Bones and DNA
• E11Text Messages and DNA
• E13Insects and Bones