From 1963 to 1965, Ian Brady and Myra Hindley carried out one of the most disturbing crime sprees in British history, abducting, torturing, and murdering children in and around Manchester before burying them out on the bleak, desolate moors. We break down the psychology, partnership, and pure moral rot behind the Moors Murders—and examine how two people fed each other’s darkness until it consumed innocent lives and horrified an entire nation.