Ever since Cain killed Abel, humanity has been horrified by murder...and fascinated by the clever villains who somehow get away with it. From unsolved historical murders to serial killers playing a long game to stop-the-presses celebrity killings, these are the cases that the world's best experts were never able to crack. We provide the context, the evidence, the suspects, and the theories, and give YOU a chance to solve each one. Plus: What dead bodies tell us, how cold cases get solved, the legal distinctions between types of murder and manslaughter, the infamous "27 Club" of musicians who mysteriously died young, and a whole lot more

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