Marc Alan Peters, 59, was last seen in Reading, Pennsylvania on May 23, 2020 after leaving the place where he was staying with no notice and no stated destination. He walked out wearing only the clothes on his back, leaving all personal belongings and money behind. He is described as a white male, 5 feet 8 inches to 5 feet 9 inches tall, about 140 pounds, with brown hair, hazel eyes and a full beard and mustache with some gray.

Marc is a long-term mental health patient and is believed to have been off his medication since May 2020, a fact his family and investigators say heightens concern for his safety and decision-making. The Reading Police Department is handling the investigation; the case is listed as NamUs MP74325 and remains open with no substantial leads or contact reported.

If anyone in the Reading area remembers seeing Marc around May 23, 2020 or has information about where he might have gone, please share what you know.