Serial killer Dennis Nilsen's horrific killing spree left the country shaken when gruesome details of his murders between 1978 and 1983 were revealed.
Known as the Muswell Hill Murderer, it was decades after 14-year-old Stephen Holmes went missing that Dennis finally admitted to him being his first victim.
In 2006, one of the country's most prolific killers sent a letter from his prison cell where he divulged shocking details of his first murder.
Now, two years after Nilsen's death in prison, his harrowing story will become the central topic of a new ITV drama called Des.
Read more on mirror.co.uk