Psychotic son stabbed his mum 100 times in horrific killing plymouthherald.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from plymouthherald.co.uk Daily Mail and Mail on Sunday newspapers.
Michael Rowe, 36, killed 61-year-old Bernadette Rosario - known as Bernie - in her house in the village of Penwithick, outside St Austell, Cornwall, during a drug-fuelled attack