The North Dakota Highway Patrol is assisting local law enforcement and emergency management agencies in Mckenzie County in the search for a missing hiker in the North Unit of Theodore Roosevelt National Park. NDHP NDHPAuthorities are searching for Artoun Gostantain, 37, whose vehicle was located in the park. The silver 2022 Toyota RAV4, bearing Idaho license plate 1AXX35U, was found in the North Unit. He wears prescription glasses and has a cross tattoo on his back, along with another tattoo on his right shoulder. He was last known to be wearing a black shirt and black shorts.