Mardarrius Collier, 26, was shot and killed on September 10, 2023, in the 4000 block of Oates Avenue in Columbus, Georgia’s North Highland area. Police and medics arrived about 2:26 p.m.; Collier was transported to Piedmont Columbus Regional Midtown Campus and pronounced dead at 3:21 p.m. The Muscogee County coroner ruled the death a homicide and violent-crimes detectives opened an investigation.

Investigators identified 31-year-old Keven Brown as the person they believed responsible and took him into custody on September 16, 2023. Brown was later charged with murder and with additional offenses including theft by receiving stolen property, possession or transfer by a convicted felon, and possession of a firearm during the commission of a crime. Collier’s obituary gives his full name as MarDarrius Tramell Collier, born February 7, 1997, and notes he left behind parents, siblings, and children.

Does anyone have information about Collier, his movements that afternoon, or contacts who might assist the ongoing case?