Theodore Johnson evades murder charges twice, only to be set free to kill for a third time. Tragically, all of his victims are the people closest to him
The remains of a young woman's body are found in the back of a blazing car. The suspected killers are two men who were both convicted murderers out of prison on parole.
This edition focuses on the crimes of one of Britain's most notorious female serial killers, Joanna Dennehy.
Convicted killer Ian Birley was out of prison on probation for 18 months before he killed again. His second murder has all the hallmarks of his original killing.
Police arrive at a murder scene where the killer is standing in front of them. His name is Peter Bryan, a paranoid schizophrenic who has killed before
Leroy Campbell was released from jail and told his probation officer he was contemplating re-offending. Tragically, his warnings were ignored and two weeks later he raped and murdered a young nurse
Just fourteen days after he was released from prison, Matthew Williams, a prolific offender with a long history of violence and mental health issues, viciously stabbed a young woman to death.