Major Gregory Eugene Barney, 50, a 26-year veteran of the Riverdale Police Department and former Fulton County Sheriff’s Office deputy, was killed on February 11, 2016 while assisting the Clayton County Police Department with a drug raid at the Villages on the River apartment complex in Riverdale, Georgia. Assigned to the perimeter during execution of a no-knock warrant and not wearing a bulletproof vest, Barney encountered 24-year-old Jerand Ross after Ross attempted to flee through a back door. Ross shot Major Barney multiple times in the torso and arm during a brief chase of about 200 feet.

Major Barney was taken to Southern Regional Medical Center and died of his wounds. Ross was shot by a Clayton County officer during his flight, transported to Atlanta Medical Center, charged with murder, but never regained consciousness and died several weeks later; the murder warrant was not served because of his medical condition. Two other men, Joey C. King and Robert Dixon Jr., were arrested in the raid on drug and weapons charges after officers found marijuana, Xanax pills, a handgun, and cash inside the apartment.

Barney was a husband and father to twin sons, and his funeral drew thousands of officers and residents. Does anyone have further details about the perimeter assignment that morning or witnesses to the chase?