This twisted three-part series revolves around one of Canada's most infamous murderers, Luka Magnotta. Though he started off circulating videos of himself killing kittens, Magnotta's crimes eventually escalated to the murder of a man named Jun Lin, and a group of colourful internet sleuths helped cops track down the deranged killer in an international manhunt.
Watch Don't F**k With Cats: Hunting an Internet Killer on Netflix.