On 8th November 1977, as part of the Jean Jordan and £5 Bank of England note investigation, Peter Sutcliffe was re-interviewed by Detective Constable Leslie Smith of West Yorkshire and Detective Constable Rayne of the Greater Manchester Police.

On 8th November 1977, as part of the Jean Jordan and £5 Bank of England note investigation, Peter Sutcliffe was re-interviewed by Detective Constable Leslie Smith of West Yorkshire and Detective Constable Rayne of the Greater Manchester Police.

Chief Superintendent Jack Ridgway of the Greater Manchester Police took charge of the Jean Jordan murder investigation and recognised immediately the possibility of a link with the crimes in West Yorkshire.

On the 2nd November 1977, as part of the Jean Jordan £5 Bank of England note investigation, Detective Constable Edward Howard of the Greater Manchester Police together with a Detective Constable of the West Yorkshire Police interviewed Peter William Sutcliffe at his home. 

Detective Superintendent Jim Hobson was the Head of CID in Leeds at the time of Tracy Browne's vicious attack on On Wednesday, 27 August, 1975.

Detective Chief Superintendent Hobson, who had replaced Chief Superintendent Hoban in the Eastern Crime Area, investigated the murder of Irene Richardson.

Assistant Chief Constable Oldfield took over personal direction of the inquiry after the brutal murder of Jayne MacDonald (16) and set up an incident room at Millgarth Police Station in Leeds.

Detective Chief Superintendent John Domaille of the Western Crime Area led the investigation into the brutal murder of Patricia Atkinson. Prostitute Patricia Atkinson operated from a flat in Bradford. It was at this flat on the 23rd April 1977 that Peter Sutcliffe murdered her.

Detective Chief Superintendent Hoban, of West Yorkshire’s Eastern Crime Area, was assigned to investigate the brutal murder of Wilma McCann. Wilma was brutally murdered on 30th October 1975.

Detective Superintendent Holland, of the Western Crime Area, was responsible for establishing an incident room at Halifax after the brutal attack of Olive Smelt.

Olive was brutally attacked by Peter Sutcliffe on the 15th August 1975.

Detective Superintendent Peter Perry was a member of West Yorkshire’s Western Crime Area.

Perry was assigned to investigate the brutal attack of Anna Rogulskyj who is widely accepted as the first of the Yorkshire Ripper's victims.