Beverley Allitt was, to most of her colleagues, a ‘model' nurse. Very astute, caring and always willing to help. But just months into her new job at Grantham and Lincolnshire Hospital her colleagues became suspicious. Allitt was found guilty of murdering four children on the infamous Ward 4 at Grantham and Lincolnshire Hospital during 1991. She was also charged with 11 attempted murders and 11 accounts of grievous bodily harm. This programme relives the tragedy of some relatives and pieces together the remarkable investigation that brought Allitt to justice.

In 2000 eight year old Sarah Payne vanished. The whole nation prayed for her safe return but 17 days after her disappearance she was found dead. Peodophile, Roy Whiting was convicted with her abduction and murder. In the last of this series, Sarah's mum, relives the heartache of that fateful day and her tireless campaign to protect other children from such evil.