The Son of Sam case grew into a lifelong obsession for journalist Maury Terry, who became convinced that the murders were linked to a Satanic cult.
There won't be a season 2, the show has ended.
Following the police force as they investigate high-profile crimes in Delhi, this series has seasons inspired by both real and fictional events.
The documentary takes a detailed look at the disappearance of 3-year-old Madeleine McCann, who vanished while on holiday with her family.