YAZOO CO., Miss. (WLBT) – A Mississippi murder suspect is in custody. U.S. Marshals and the Waterloo Police Department arrested Dexter White Jr., 28, in Iowa Thursday. Detectives with WPD learned that White might have been residing in the Waterloo area in October of 2023. Because of this, U.S. Marshals Northern Iowa Fugitive Task Force members began investigating and coordinating with U.S. Marshals in Mississippi.