Suspect Yelled 'Die!' as He Allegedly Stabbed Girlfriend's 8-Year-Old Son to Death
Photo: Facebook Pennsylvania State Police Trooper Jim Long tells PEOPLE the incident unfolded about 10:30 p.m. Monday as the suspect, 43-year-old Keith Burley, was riding in a car in New Castle with his 36-year-old girlfriend and two of her children, a 7-year-old and the 8-year-old victim, Mark Mason. Keith Burley.Pennsylvania State Police “She was actually driving the car,” he says of the woman, when an argument ensued that “became physical....