Haunted World on Instagram: "Mary Vincent’s story is one of survival against pure evil. In September 1978, 15-year-old Mary ran away from home and decided to hitchhike to her grandfather’s house in California. A man named Lawrence Singleton, a seemingly kind middle-aged truck driver, stopped and offered her a ride. She trusted him — a decision that nearly cost her life. After a few hours on the road, Lawrence Singleton’s behavior suddenly turned dark. He pulled into a deserted area and att*cked