You know that feeling you get when you see the words “Based on a True Story” at the end of a horror film, right before the credits roll? Well, these true crime documentaries will have you feeling all those chills and goosebumps the whole way through. Gone are the days where true crime was a genre for lazy Sunday afternoons, because if you try to watch these documentaries in the background or while you try to take a nap, it’s safe to say you’ll end up at the edge of your seat with your eyes peeled instead. Looking for a film you won’t be able to stop theorizing and texting about for weeks? Ahead are 15 of the best true crime documentaries currently available to stream on Amazon Prime Video.