Some deaths are so bizarre, brutal, or baffling that they remain unsolved for years, decades, or even centuries. Here are five cases of mysterious deaths where foul play was suspected, but never proven.

Some people binge-eat Doritos or binge-watch Netflix when they’re stressed out. Me? I binge-read books with kick-ass heroes. Not superheroes, mind you, but regular guys who don’t need a mask and cape to fight evil.