Autistic male with suicidal tendencies missing from Grimes County Posted in: News Grimes County Sheriff’s Office (GCSO) are seeking assistance in locating a missing 23-year old male from Anderson who is autistic. According to GCSO the missing male is Matthew Reardon, a white male, 6-foot 3-inches tall and approximately 135 pounds. Reardon has long dark hair, a short moustache and goatee and was ...PLEASE LOG IN FOR PREMIUM CONTENT. Our website requires visitors to log in to view the best local news. Not yet a subscriber? Subscribe today!