8. Crazy Love (2007)
In the 1950s, lawyer Burt Pugach began dating Linda Riss. But when their love fizzled and she got engaged to someone else, he jealously threw lye in her face, blinding her. While in prison he obsessively sent letters to her, and bizarrely, they got married after his 1974 release. Crazy Loveextensively covers one of the most fucked-up romances of the 20th century.
9. Beware the Slenderman (2016)
Two Wisconsin girls tried to kill their friend in a stabbing in 2014 to impress a fictional character known as Slender Man. The victim survived, so Beware the Slenderman focuses more on the lore behind this character and how it affected the minds of these two almost-murderers.
10. The Galápagos Affair: Satan Came to Eden (2013)
In the 1930s, a group of Germans visited the Galápagos Islands to start new lives. But when two people immediately went missing, their exciting new lives became a real-life murder mystery. This critically acclaimed documentary features voiceover work from Cate Blanchett and Diane Kruger.