Peter Sutcliffe told detectives he spent most of his five-year killing spree expecting a "knock on the door" from police. He described himself as a "monster" and "beast" who was "driven by the devil".And Sutcliffe, who murdered 13 women, told how a string of passers-by almost stumbled across him as he attacked victims but "by some miracle" he "escaped the dragnet".Sutcliffe, who was quizzed nine times by police before his eventual arrest, said he never set out to be a serial killer but it became an "obsession," like "some sort of drug".In his confession – a copy of which has been obtained by the Daily Star – he said: "I felt like someone inhuman.
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