Harold Shipman: Driven to Kill, a British documentary currently on Netflix in the US, has two episodes, and chooses to go with an old-fashioned documentary style. The story is told in a straightforward, chronological order and provides us with clear timeline. This way you can get a good understanding of Dr. Shipman; one of the most prolific serial killers in history, from the very beginning. Who was he? How did nobody ever notice that something was off until after he had committed the murders of countless patients?.