In May 1981, at the beginning of the trial of Peter Sutcliffe, the Yorkshire Ripper, Sutcliffe pleaded not guilty to 13 counts of murder, but guilty to manslaughter on the grounds of diminished responsibility.
Havers drew controversy at the outset of the trial, when he said of Sutcliffe's victims in his introductory speech: "Some were prostitutes, but perhaps the saddest part of the case is that some were not.