05 February - Yorkshire Ripper kills his third victim but leaves clue

The hunt for Peter Sutcliffe was not hampered by a lack of evidence but by too much and too many false leads. He had a signature style of attack using a hammer to subdue and a knife to slash and kill. His victomology was predictable as he mainly targeted prostitutes, echoing the attacks of Jack the Ripper a century before and earning him his tabloid title. He had left semen and blood samples, boot imprints and now, next to Leeds prostitute Irene Richardson, he had left tyre tracks... Read the full Yorkshire Ripper Crime File

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