A police officer, whose search work exposed the horrors of the Moors Murders, has spoken out - 50 years after the killers were jailed.
Bob Spiers found the first body on Saddleworth Moor. The search would end in Myra Hindley and Ian Brady's conviction.
Their trial became known as one of the most horrific in British legal history - all the jury members were excused from ever sitting on a jury again.
It was the 1960s - and the public outrage against Hindley and Brady was on a scale never seen before.
Our correspondent Ashley Derricott reports:
- Ashley Derricott's blog:
It's 50 years since the crimes of Ian Brady and Myra Hindley shocked the world.
Their convictions on May 6, 1966, marked a memorable moment in British criminal history.
The trial judge Mr Justice Fenton Atkinson described Brady as guilty of "three calculated, cool, cold-blooded murders" - those of Edward Evans, Lesley Ann Downey and John Kilbride.
Although convicted of two murders, Hindley was cleared of killing John Kilbride despite being found to have helped after his death.
It took the jury just over two hours to find the couple guilty.
Nobody in that courtroom could have known that two decades later Brady and Hindley would admit the killings of Pauline Read and Keith Bennett.
For victims' families there will always be the suspicion of other terrible secrets the Moors Murderers intended to take only to their own graves.