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4 Episodes 2017 - 2017
Episode 1
Mark Howe murdered his mother Katrina Wardle in a brutal knife attack, stabbing her more than 53 times in the face, mouth, neck, chest and arms
Episode 2
The death of his mother triggered a change in the character of Peter Moore, who went on to kill four men in the space of three months
Episode 3
The case of Michael Ryan, who went on a killing spree in the small town of Hungerford, resulting in the murder of 16 people, including his own mother.
Episode 4
Peter Sutcliffe, a once quiet boy who was very close to his mother, was convicted of murdering thirteen women and attacking seven other women