Complex sentence: The murders received a large amount of media attention both nationally and internationally and the press often compared the murders to those committed by the Yorkshire Ripper, Peter Sutcliffe, who murdered 13 women and attacked seven others (mostly prostitutes) between 1975 and 1981.
Split into simpler sentences: The murders received a large amount of media attention, both nationally and internationally. The press often compared the murders to those committed by the Yorkshire Ripper, Peter Sutcliffe, who murdered 13 women and attacked seven others (mostly prostitutes) between 1975 and 1981.