Brian Anthony Mason, 33, of Jacksonville was found shot and died on May 4, 2017 in the Springfield neighborhood. The Jacksonville Sheriff’s Office responded, secured the scene and launched an investigation into the fatal shooting.

Initial details were unclear and no arrests were announced at the time. Investigators conducted interviews and collected evidence, and the case remained open as detectives continued to seek leads. Family and community members expressed grief and called for justice.

If anyone saw activity in Springfield on May 4, 2017 or has information about Brian Mason’s death, please contact the Jacksonville Sheriff’s Office.