About this season
When Rachel Nickell is stabbed to death on Wimbledon Common in 1992 the police launch the biggest investigation since the Yorkshire Ripper. Colin Stagg is arrested, only for the judge to throw out the case.
Episodes (2)
1. Episode 1
Aired 27 May 2025 • 47 min
Rachel Nickell was brutally stabbed to death on Wimbledon Common in 1992. Following an extensive manhunt, police think they have the killer but after a year in custody, the trial collapses and it’s clear they’ve got the wrong man. Is there a psychopath still at large? How long before he strikes again?
2. Episode 2
Aired 27 May 2025 • 47 min
As the police continue to hunt for Rachel Nickell's killer, they realise a spate of attacks might be linked. After sixteen years, advances in forensics and new discoveries, Police catch their man, Robert Napper. How was he able to hide in plain sight? And what other crimes might he have committed?