The Murder of Geli Raubal from Top 10 Creepy and Obscure Unsolved Mysteries

This unsolved mystery surrounds Adolf Hitler. He had a young niece, Angela “Geli” Raubal, who many speculated that he was sleeping with and because she threatened to leave him and engage someone else, she suffered an untimely death. The official report was that it was suicide, but injuries on her body suggested otherwise.