After cold-heartedly slaughtering four young people in Manchester and burying each of them in peat graves on Saddleworth Moor, Ian Brady and Myra Hindley felt omnipotent.
Before they began their killing spree, Ian Brady and Myra Hindley experimented with pornography, with themselves as the anonymous stars of a series of dirty pictures.
My first meeting with Moors murderer Ian Brady was chilling. He was tall, sinister, wearing a black polo neck, jeans and dark glasses, writes Dr Alan Keightley who regularly visited Brady in jail.
As the first episode of Channel 4 s docuseries Moors Murders: The Witness airs tonight, we revisit the five victims tortured and killed by Myra Hindley and Ian Brady, and if their bodies were found
Moors Murders: The Witness is set to air on Channel 4 tonight and will focus on the heinous crimes of Myra Hindley and Ian Brady - but, who were the sick couple and when did they die?