A crucial DNA breakthrough - Murder Detective
44:15
Full Episode
Former senior Surrey detective and criminologist Graham Hill – best known for his work on the Madeleine McCann investigation - takes viewers inside some of the most complex and shocking cases of recent years. This episode covers the horrific death of 52-year-old Sharon Birchwood, who was killed at her home in the sleepy village of Ashtead, Surrey. In December 2007, Sharon was found by her ex-husband strangled to death and trussed up in parcel tape.