The Brief A 9-year-old autistic child was rescued from a body of water by deputies in St. Mary's County. Body camera video captured the moments when a missing autistic child was rescued from a body of water in St. Mary's County, Maryland. What we know:On Friday, July 17, deputies from St. Mary's County Sheriff's Office were alerted to a missing 9-year-old child with autism in the Hollywood area. A missing autistic child was rescued from a body of water in St. Mary's County, Maryland. The body camera video was edited to protect the privacy of the child, officials said.