
This episode covers the abduction and murder of Shirley Banks by John Cannan, his criminal history, and the investigation that led to his conviction.
On October 8, 1987, 29-year-old Shirley Banks disappeared after shopping in Bristol, England. She was later found to have been abducted and murdered by John Cannan, a convicted rapist. Cannan's violent past included multiple sexual offenses, and he was suspected of other murders.
Detectives initially struggled to connect Cannan to Banks' case until they discovered evidence linking him to her car and personal belongings. The investigation intensified after a nationwide appeal for information about Shirley's disappearance.
Despite being arrested for other crimes, Cannan maintained his innocence regarding Banks' murder until forensic evidence confirmed her presence in his home. On April 3, 1988, her body was found, leading to Cannan's conviction for her murder.
The episode also discusses Cannan's potential involvement in other unsolved cases, including the disappearance of Suzy Lamplugh, and the lasting impact of his crimes on the victims' families.
Shirley Banks was abducted and murdered by John Cannan, a convicted rapist, whose violent history is examined in this episode.

This episode stands out for the following:
Cannan sticks out. He's a psychopath-- simple, psychopath.The House For Sale Rapist & Killer | World's Most Evil Killers
This would have been absolutely terrifying for Shirley.The House For Sale Rapist & Killer | World's Most Evil Killers
The clock was ticking.The House For Sale Rapist & Killer | World's Most Evil Killers
This man should never be put at liberty.The House For Sale Rapist & Killer | World's Most Evil Killers
I have nothing but contempt for this man.The House For Sale Rapist & Killer | World's Most Evil Killers
You just hope and pray that they don't let this man out.The House For Sale Rapist & Killer | World's Most Evil Killers