SANDY SPRINGS, Ga. – A man accused of threatening to “shoot everyone” including his girlfriend, her sister and a child, is now behind bars. Sandy Springs police were called to a domestic dispute involving a gun in the area of Fenwick Place at around 2 p.m. on Monday. They were told a man was arguing with his girlfriend when her sister tried to intervene. The suspect, identified as D’quan Prebble, allegedly pulled a gun on them and threatened to shoot them all, including a nearby child.