Dr Harold Shipman is one of the world's prolific serial killers. In 2000 he was convicted of murdering 215 patients by lethal injection.

In 1992, 25-year-old Stephanie Slater was abducted from an empty house and held for eight torturous days in a make shift coffin.

In 1996, two girls and their mother were brutally attacked in the English countryside of Kent.

In 1991 newly qualified nurse, Beverley Allitt, carried out despicable crimes. Instead of caring for children on her ward, she was murdering them.

A lone gun man, Michael Ryan, opened fire on villagers killing sixteen people and injuring a further fifteen.

In 2000, eight- year-old Sarah Payne vanished while playing in a field near her grandparents' home.