
About this season
Re-examining one of the biggest murder investigations in Metropolitan Police history. Did prejudice lead to multiple missed opportunities to catch serial killer Dennis Nilsen?
Episodes (3)

1. Part One: Missing
Aired 24 January 2022 • 59 min
As Nilsen's crimes are discovered, the truth about his victims reveals prejudice and multiple missed opportunities to catch a murderous predator

2. Part Two: Survivors
Aired 31 January 2022 • 59 min
Examining Nilsen’s high-stakes trial and the dramatic emergence of witnesses to his crimes. The cases of survivors reveal how chances to catch Nilsen years earlier were missed.

3. Part Three: Forgotten
Aired 7 February 2022 • 59 min
Sentenced to life, the media focus on Nilsen intensifies, with books and even a TV slot. His victims, including those unidentified, are ignored, leaving families without answers.