KANSAS CITY, Mo. (AP) — Attorney General Jeff Sessions has appointed an interim U.S. attorney for the Western District of Missouri.

Sessions announced Timothy Garrison’s appointment in a news release Wednesday. His appointment is effective Friday. Garrison has been an assistant U.S. attorney in the district’s Springfield office since 2007.

Before becoming a federal prosecutor, Garrison was a prosecutor in the Marine Corps. He is a lieutenant colonel in the Marine Corps Reserve and has served in Iraq and Afghanistan.