A third suspect allegedly involved in the shooting deaths of three teenagers in Marion County was arrested, deputies say. According to the Marion County Sheriff’s Office, Tahj Brewton, 16, was arrested on Saturday for his involvement in the murder of three teenagers. Brewton was captured just south of Groveland by United States Marshals, with the assistance of the Lake County Sheriff’s Office. Deputies said Brewton was arrested on outstanding warrants for carjacking with a firearm, aggravated assault, grand theft of a motor vehicle, fleeing or attempting to elude a law enforcement officer, and tampering with an electronic monitoring device.