Calvin O. Nutt, 47, was shot and killed in Milwaukee on the evening of July 2, 2015, after a heated argument between him and his brother and the occupants of another vehicle. The dispute escalated to gunfire; both brothers were struck, and Calvin Nutt succumbed to his injuries while his brother was wounded. The shooting occurred during a violent week in the city.

Milwaukee police later arrested two suspects in connection with the homicide. Reports noted both arrestees had prior arrests for offenses including theft and drug possession.

Did anyone in Milwaukee witness the July 2, 2015 confrontation or have information about the persons involved?