Officers arrested Matthew Goins, 20, of Alpharetta, Michael Grant, 23, of Roswell, and Richard Davidson, 20, of Roswell, on charges of murder, aggravated assault and attempted armed robbery. Additionally, Davidson is charged with possession of a firearm in the commission of a felony and possession of a firearm by a convicted felon. All three are being held at Fulton County Jail without bond.
Walker, an Alpharetta High School graduate, was shot once in the head on March 12 just before 7:30 p.m. in the driveway of his Silhouette Court home in Milton. He was transported to North Fulton Regional Hospital, where he died.
Officers believe the suspects targeted Walker because of his gold chain and followed him from an Alpharetta Taco Bell to his home.
Tips to Crime Stoppers led to officers locating the suspects.