The suspect in the deadly shooting at an Atlanta medical facility was arrested Wednesday night inside a gated condominium complex in Cobb County, about 11 miles from the scene.Β One person was killedΒ and four others were injured, three critically, after a man became agitated during a visit to Northside Medical Midtown and opened fire, police said. He was accompanied by his mother, who was not injured. Police have identified the suspect as aΒ 24-year-old former Coast GuardsmanΒ who was discharged from active duty in January of this year. He had minimal contact with the police department before the shooting, officials said. The victim who died wasΒ identified as a CDC employee, the agency confirmed to CNN.