Trevor Birdsall was a close friend of Peter Sutcliffe

Trevor Birdsall was a close friend of Peter Sutcliffe, the Yorkshire Ripper.

The attack on Olive Smelt

On the 15th August, 1975, Trevor Birdsallwas 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.

The anonymous letter to police

On the 26th November, 1980, an anonymous letter was received at the Millgarth incident room. The letter, which was one of many being received at the time, suggested that a man called Peter Sutcliffe was the "Ripper". The author of this letter has since been identified as Trevor Birdsall a close friend, and drinking partner, of Peter Sutcliffe.