ATLANTA (Atlanta News First/Gray News) — A medical examiner identified the 66-year-old Atlanta woman who was fatally stabbed on a train over the weekend. Margaret Swan was stabbed to death while on a public MARTA train on Saturday, according to the Fulton County Medical Examiner’s office. MARTA police identified the suspect as 25-year-old John Elijah Matthews. He is facing murder charges for Saturday’s stabbing. According to an arrest affidavit, police were met at the scene by a large crowd, who told officers to look for a Black man in an orange shirt who stabbed a woman at the Oakland City...