This week we take a deep dive into one of the most famous hoaxes in British police history: Wearside Jack. At the height of the investigation into the so-called Yorkshire Ripper, West Yorkshire Police began to receive correspondence in the form of letters and an audio tape from a man who claimed to be the serial murderer. So convinced was senior officer George Oldfield that this was, in fact, the authentic letters and voice of the actual killer, that he diverted huge resources into this line of inquiry, certain that this was finally the lead he needed to catch his man...

This podcast features an exclusive interview with a member of the Yorkshire Ripper incident room, Detective Chief Superintendent (retired) Bob Taylor of West Yorkshire Police.