On Friday 2nd January 1981, on what would become Peter Sutcliffe's final day on the prowl, Sheffield prostitute, Denise Hall, would make the best decision of her life. Sutcliffe was on the prowl in his Rover, which was displaying false number plates belonging to a Skoda saloon.

On Friday 2nd January, 1981, in Broomhall Street, Sheffield, Olivia Reivers was picked up by Peter Sutcliffe in his Rover, which was displaying false number plates belonging to a Skoda. They parked in a driveway of the Light Trades House where Sutcliffe handed Olivia a £10 note for sex.

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

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".