Publishedduration1 hour agoimage copyrightGetty Imagesimage captionThe son of Sutcliffe's first victim, Wilma McCann, had appealed for an apology
A police force has apologised for the "language, tone and terminology" used to describe the Yorkshire Ripper's victims in the 1970s.
Senior West Yorkshire officers said some of the 13 women killed by Peter Sutcliffe, who has died aged 74, were "innocent" but implied others were not.
The son of his first victim Wilma McCann had appealed for an apology.
Force Chief Constable John Robins said the language used at the time was "as wrong then as it is now".
Speaking earlier, Richard McCann, who was five when his mother was killed, said: "They described some of the women as 'innocent', inferring that some were not innocent – including my mum.