Ryan Thomas Mullee, 39, of Canton, Texas, was shot and killed on Interstate 20 near Van Zandt County on February 19, 2016. The shooting happened about 3:15 p.m.; Mullee was struck in the head and died at the scene. Witnesses reported an unknown person firing from a gray or light-colored four-door sedan.

The Van Zandt County Sheriff’s Office treated the case as a possible road rage killing and opened an investigation.

Mullee’s family remembered him as positive and loving, with a strong interest in Star Wars, theater, and his family. Anyone with information that could help identify the shooter is asked to come forward.