Darrell Armstrong, an assistant coach for the Dallas Mavericks, has been arrested and charged with aggravated assault involving a deadly weapon. Reports indicate that he allegedly threatened to shoot his girlfriend and struck her with a gun. Following his arrest, the Mavericks suspended an unidentified employee related to the incident, marking a troubling start for the team after the Luka Doncic era. Former basketball player Armstrong now faces serious allegations as the situation unfolds.