A Twentynine Palms man was killed following a two-vehicle crash in Sioux City, Iowa, Tuesday morning. Daqown Sams, 32, was driving southbound in the northbound lane of a 4-lane highway when he collided head-on with a semi that was traveling northbound about 6:15 a.m. The semi driver received minor injuries in the crash, but he still attempted to render aid to Sams. Police have not yet determined why Daqown Sams was driving the wrong way on the highway. The investigation is ongoing.