(Beaverton, OR) -- A man trying to elude police was arrested after getting stuck in a muddy swamp near Beaverton. On Saturday, Washington County Sheriff's deputies try to pull over 31-year-old Lamarcus Thomas, from Mississippi, but he kept driving. He eventually stopped and ran from his car. Deputies saw that he was carrying a gun. He ran into a swamp and got stuck in mud and high water. He had tossed his gun. He was also carrying a large amount of cash. Thomas was arrested. A K-9 found the gun. Thomas had a warrant from Mississippi for armed robbery.