Introduction to the Three Unsolved Mysteries: The Tujia people’s customs of “driving corpses, crying for marriage, and placing poison” are still unsolved mysteries. Especially when it comes to poisoning, Tujia girls will capture the poison and feed it with their own blood, then kill it and dry it, grind it into powder with an inkstone, and give it to the man they like. Once the man changes his mind, his whole body will fester. It’s really scary. Full.