ITV's Chilling New Crime Documentary Links The Yorkshire Ripper To An Unsolved Murder The killing of schoolgirl Judith Roberts has remained a mystery for 50 years.

In 1981, Sutcliffe was convicted of murdering 13 women and attempting to murder seven more between 1975 and 1980. Yorkshire Ripper: The Secret Murders, Part 2 airs Wednesday, Feb. 23, at 9 p.m. on ITV ...