Richmond County sheriff's Capt. Scott Peebles confirmed that Darnell Lorenzo Brown, 19, died in the hospital. He had been shot in the head.
Deputies are seeking Jerome Jerrod Sturgis, also known as Dirt. Considered armed and dangerous, Sturgis was last seen about 5:30 p.m. Sunday wearing a Dallas Mavericks jersey and blue jeans and riding a black mountain bike.
Darren Wayne Howard, 19, was shot in the hand, and a 12-year-old boy was shot in the chest, said James Kelly of the Richmond County Sheriff's Office Violent Crimes Division.
Anyone with information should call the sheriff's office at (706) 821-1080.