The Army sergeant accused of shooting five soldiers at a Georgia military base was a “hard worker” who was previously bullied over a speech impediment, co-workers said, according to a report. Sgt. Quornelius Radford,

Of the five wounded soldiers, three were released from the hospital, one remains hospitalized at Fort Stewart, while the final soldier is at a Savannah, Georgia, hospital, officials said. It is still an active investigation. Update 7:02 a.m. ET Aug. 6: The alleged gunman was identified as Sgt. Quornelius Radford, 28, The Associated Press reported.