The United States Postal Inspection Service will begin posting billboards in east Alabama next week to encourage people who have information about the murder of postal worker Tony Harrelson to come forward.

Harrelson, 47, a Dadeville resident, was shot and killed at the Camp Hill post office between the hours of 5:45 and 6:15 p.m. on Oct. 2. The USPS has distributed tens of thousands of fliers in the weeks after his death and the billboards are another way to reach possible witnesses.