WARNING: THIS IS PART TWO OF A TWO-PART STORY. PLEASE LISTEN TO SEASON 2 - EPISODE 25 FOR MORE DETAILS ON THIS CASE.  During September 2012 Dale Cregan opened fire on two unarmed police officers. After killing them both, he handed himself in...

On Tuesday, September 18th, 2012, PC Nicola Hughes and PC Fiona Bone arrived at a property in Abbey Gardens, ten miles east of Manchester City Centre. They were answering a routine call.

After his release from prison in 1970, Roy Fontaine had accepted a job at Whittingham hospital, and he was staying at a prison hostel nearby in Preston. Under the watchful eye of staff, Roy carried out his duties as the hospital porter.

To ensure his brother couldn’t lift his head above the water, Roy held it under for a moment as the last of the air left Donald’s lungs. As Roy and Michael stepped back from the bathtub, they patiently waited.

Between 1975 and 1980 The Yorkshire Ripper used the North of England as a hunting ground. He spread fear not just in Yorkshire, but across the entire country.

David Smith, a former member of the SAS, was due to receive a large sum of money as a company he owned was being sold. David and his partner Elizabeth were excited as the windfall meant they could buy their dream home and permanently move in together.

Richard Buckland had spent the last three months in a jail cell. The 17-year-old had confessed to the brutal rape and murder of teenager Dawn Ashworth. A similar death had occurred nearby, three years before.

Alan Turing had served his country during the second war, decoding Nazi communications at Bletchley Park. After the war, he moved north to work at Manchester’s Victoria University and purchased a priority called 'Hollymeade'.

Two police detectives arrived at Hollymeade, the home of a faculty member at Victoria University in Manchester. Alan, the occupant, had reported a burglary after a handful of trivial items had been stolen.

Olivia was woken up around 3:30 am on December 30th, 1999, by the sound of something crashing to the ground. She prodded her husband awake. She was sure that somebody was in the house. She jumped out of bed and ran to lock the bedroom door.