Dennis Nilsen's life story sounds like a script for a sadistic horror movie but tragically for his victims he turned out to truly be their worst nightmare.The cannibal is currently being portrayed by David Tennant in ITV's Des, leaving fans wanting to know more about the sadistic serial killer.Nilsen, who is now thankfully dead, ate parts of the 12 victims he murdered and was only caught when a plumber discovered human remains were stuck and clogging the drains in his flat.His crimes were so brutal that criminologist Professor David Wilson went as far as to describe them as "extraordinary" due to Nilsen's desire for power and control.The professor said: "His crimes were extraordinary."He was a serial killer interested in power and control..
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