Missing 6-year-old girl with autism found dead in Baltimore County

Baltimore County police say a missing 6-year-old girl with autism has died.

Police say they found the girl in cardiac arrest around 5 p.m. Friday in a stream behind Merritt Park Baptist Church in Dundalk. She was reported missing about an hour earlier. 

The girl died at about 5:50 p.m. at Johns Hopkins Children's Center.

Police say they're investigating.