The Screamer cult believed in unbridled sex and screaming abuse at one another to let out their true feelings - but behind their freewheeling lifestyle lay a dark secret. In the fifth of our series of Mail+ podumentaries which take you behind the headlines of the Daily Mail’s most dramatic stories, presenter Amelia Hemphill talks to Rebecca Hardy, who travelled to the beautiful Colombian jungle retreat of the Screamer cult, and unearthed the dark side of 'free love'.

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