Brown was taken to an area hospital where he died, according to the release.
Residents of the home identified the shooter, Rainwater said. The child’s mother lives at the home.
Deputies established a perimeter around the subdivision and found the suspect, Rainwater said. He put the child down safely and gave up without incident.
Authorities have not released the juvenile’s name.
The suspect has been charged as an adult with murder and two counts of aggravated assault, Rainwater said. He was taken to a youth detention center.
After a search, the gun that was believed to be used was found near a house in the subdivision.
The incident is under investigation.