Professor Patricia Wiltshire is a forensic ecologist, botanist and palynologist. She has been consulted by police forces and industry in almost 300 investigations in several countries and has been instrumental in solving several high-profile crimes, including the killings of Sarah Payne and Millie Dowler, the cold case of Christopher Laverack, the Soham murders, and the Ipswich serial murders.
Unsolved murder of mother-of-three affected expert
Prof Patricia Wiltshire tells Desert Island Discs the murder of Michelle Bettles stayed with her.
BBC News