How expert analysis of nettles and soil helped catch the killer of the Soham schoolgirls, and how advances in DNA techniques solved the murder known as the Beauty in the Bath. Show more
Discover 11,128,835 listings and 280,103 playable programmes from the BBC
How expert analysis of nettles and soil helped catch the killer of the Soham schoolgirls, and how advances in DNA techniques solved the murder known as the Beauty in the Bath. Show more