The dying mother of Moors murder victim Keith Bennett recently made a final plea to Brady to reveal where he buried her boy.
Winnie Johnson, 79, who has bowel cancer, begged the killer to end her 47 years of torment.
Ms Johnson wrote a heartfelt letter to Brady in which she said: "If you have got it in your heart to tell me where Keith is, it would end the trouble I have had for 47 years.
"I would like him found and buried before anything happens to me."
She said of Brady: "With me being ill, it might touch him if he had a brain.
"I want to see Keith buried before I die. I can't stop fighting. It's my brain continually working all the time.
"I can never be free of it, no matter what I do."
With her health faltering, Ms Johnson made the emotional plea in July on Channel 4 documentary, Dear Mr Brady, in which she wrote to the child killer and tried to track down her 12-year-old son's resting place.
Keith was abducted on his way to visit his grandmother in Manchester.
Police abandoned the hunt for his body in 2009 and officers said they would need fresh evidence to resume the search.
