This is the extraordinary untold story of how the two most notorious women in British crime, Rose West and Myra Hindley, became lovers in jail, and how their weird life behind bars gives terrifying new insight into crimes that shocked the world. Myra Hindley was labelled the most evil woman in Britain for her part in the Moors murders of the 1960s, but with her husband Fred, Rose West became an even more prolific serial killer in the 1970s and 80s, as the pair killed 10 women and girls.

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