Evidence of Evil

December 2000: 19-year-old Rachel Manning was murdered in Milton Keynes. Two men were wrongfully convicted, but new advances in forensics proved that evil always leaves a trace. S1, Ep1

Edinburgh, October 1977: Christine Eadie and Helen Scott vanish without a trace. The police never stopped hunting for justice, even changing the law to bring justice. S1, Ep5

Tracie Andrews purportedly witnessed the murder of her boyfriend, Lee Harvey, in a country lane on the night of 1st December 1996; but all was not what it seemed. S1, Ep10

In late 1992, an attack led to an investigation which would last nearly a quarter of a century. Over time, DNA profiling helped to close a case which detectives feared would never be solved. S1, Ep12

When the body of a child is found, Boston State Police have no leads, but with the help of the National Centre for Missing and Exploited Children, a trace is found... S1, Ep4

David Jackson left his home to buy beer and cigarettes. He was never seen again. For 15 years his disappearance remained unsolved, until one investigator broke the case wide open. S1, Ep15

The murder of Lynette White led to the longest murder trial in British history at the time. Find out how police work and DNA eventually led police to her killer. S1, Ep16

Rachel O'Reilly was savagely murdered in her home, in what looked like a burglary gone wrong. A ground-breaking investigation finally put her killer behind bars. S1, Ep18

A popular, healthy, 60-year-old woman suffered a sudden, painful death. Detectives managed to trace the killer, despite their calculated and elaborate web of deceit. S1, Ep24

A killer, who stalked and gained his victim's trust, enticed her to her death. Almost two decades later scientific advances brought the perpetrator to justice.