True Crime Files

What turns a 12 year old girl into a bloodthirsty killer?

Boxing day 2003, 3 traffic officers approached a suspected stolen car in Leeds, Yorkshire. Suspect David Bieber pulled out a 9mm gun and fired without warning.

In 1999 and 2000, women began disappearing from Detroit's thriving areas of prostitution. No one suspected that John Eric Armstrong, a seemingly normal father was actually a killer.

In 2002, British police used mobile phone data and CCTV in one of the UK's first forensic cases to solve the murder of 27-year-old pregnant Soumia Cullinane.

When Carol Jarvis vanished, doubts grew over her husband Harry's story - and sinister letters he sent his mistress did little to support his lies.

In 2003, Jane Longhurst vanished. Her body was found weeks later and police soon closed in on Graham Coutts, who Jane had planned to meet.

14-year-old David McVicker accepted a ride from William Bonin, the "Freeway Killer," who murdered at least 21 young men, dumping their bodies along LA's freeways.

In 2008, Detective Steve Smith reopened a 7-year-old Met case after a tip from Europe linked a second murder to a prime suspect. Could they finally bring him to justice?

Vincent Brothers, a vice-principal with a loving wife and three children, faced tragedy when an intruder with a .22-caliber pistol entered their home one Sunday and killed them before church.