Cathy Griffith was stabbed to death by her 17-year-old son, a year after he killed his father

Murder Files Unsealed

The episode recounts the tragic events leading to the death of Catherine Griffith, a Florida mother, at the hands of her son Collin. The narrative details Collin's history of violence, including the shooting death of his father a year prior, as well as multiple instances of physical and verbal threats directed at his mother. Despite his history and concerning behavior, Collin was released from mental health facilities and eventually returned to live with Catherine. Ultimately, after a heated argument, Collin killed his mother, leading to his arrest and the prospect of being tried as an adult.