Steven Mathieson , today , stabbed 23-year-old escort Luciana Maurer 44 times . As she lay dead on the floor , he raped two other prostitutes at family home . Crimes occurred while his partner was out and son was asleep in bedroom . Mathieson , who was high on cocaine at the time , now faces life in prison .
Steven Mathieson , 38 , stabbed 23-year-old escort Luciana Maurer 44 times . As she lay dead on the floor , he raped two other prostitutes at family home . Crimes occurred while his partner was out and son was asleep in bedroom . Mathieson , who was high on cocaine at the time , now faces life in prison .