Marlese Arnett, 32, was killed in a drive-by shooting on March 11, 2016, in Dallas, Texas. She was shot while driving near the intersection of John West Road and La Prada Drive after a minor altercation in a parking lot reportedly over a door ding. Arnett worked in the cafeteria at Ann Richards Middle School and was a single mother of six children, ages ranging from four to 16.

Police identified Kedrick McDow as the gunman and issued an arrest warrant for him. McDow’s girlfriend, Kiera Johnson, was arrested on charges alleging she drove the getaway car. The community held a candlelight vigil at the intersection and Arnett’s family established a fund to support her children as investigators continued searching for McDow.

What information do readers have about the parking-lot altercation or anyone who might have witnessed the shooting?