Donald Brown, 42, was killed in Jacksonville, Florida, on August 30, 2013.

Law enforcement has repeatedly asked the public for help, offering rewards and appealing for tips that might identify or lead to the arrest of those responsible. The case is cited as one of several unresolved murders that continue to trouble the Jacksonville community and to weigh on Brown’s family.

If anyone has information about Donald Brown’s death or saw anything in Jacksonville around August 30, 2013, please contact the local authorities with what you know.