Season 1

As Nilsen's crimes are discovered, the truth about his victims reveals prejudice and multiple missed opportunities to catch a murderous predator

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.

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.