Trevor Birdsall - Yorkshire Ripper
Trevor Birdsall was a friend of Peter Sutcliffe, the Yorkshire Ripper.
On the 15th August 1975 Trevor was with Peter Sutcliffe in a car in Boothtown, Halifax. Sutcliffe left Trevor in the car in order to carry out a brutal attack on Olive Smelt. Olive was brutally attacked with a hammer and sustained serious head injuries.
