For 13 months, Colin Stagg sat behind bars accused of a crime that would shadow his life for years. The murder of Rachel Nickell on Wimbledon Common in 1992 sent shockwaves through the UK, and Stagg became an unlikely suspect. Now, a Netflix documentary reveals the full story of his wrongful arrest and long road to justice.
Stagg was a quiet, unemployed man living in southwest London, known locally for walking his dog through the very park where the tragic attack occurred. He was 29 at the time and participated in a lonely hearts club, exchanging letters with people looking for connection. That detail would later become part of a controversial police operation.
After Rachel was stabbed 49 times while walking with her 2-year-old son Alex, police had few leads. No DNA evidence and only the toddler as a potential witness. Investigators turned to a criminal profiler who built a profile of the killer.
When a sketch was released to the public, several tipsters pointed to Stagg.
Authorities searched Stagg’s apartment and found items they described as odd, including a zodiac sign painted on the floor and gothic images. But they lacked forensic evidence to link him to the murder. So they launched a covert operation called Operation Edzell.
An undercover female officer wrote letters to Stagg using the name Lizzie James, hoping his fantasies would reveal information only the killer would know. They exchanged dozens of letters and eventually met in person. During one recorded conversation, the officer reportedly pushed Stagg to admit involvement, but he never confessed.
Despite no physical evidence, Stagg was arrested and charged in August 1993. He spent 13 months in prison. When his trial began in September 1994, the judge immediately dismissed the case, calling the undercover operation “deceptive conduct of the grossest kind.”
Even after his acquittal, many still believed Stagg was guilty and had escaped on a technicality. He suffered public harassment and paranoia for years. “People shouting stuff like, ‘Guilty!
Hang him!’” he recalled in the documentary.
Everything changed in 2008 when DNA evidence linked serial killer Robert Napper to Rachel’s death. Napper pleaded guilty to manslaughter, and police issued Stagg an official apology. He later received a nearly $1 million settlement from the Metropolitan Police.
Stagg has since written a memoir and mostly kept to himself. He was briefly married and is reportedly in a relationship as of 2021. In the documentary, he describes a life shaped by mistrust and fear.
“Don’t trust anybody,” he said.
The Netflix series, The Murder of Rachel Nickell, premiered in June, bringing renewed attention to a case that raised serious questions about police tactics and justice. How do you rebuild your life when the system that should protect you becomes your worst enemy?
