Okinawa police arrested a U.S. Marine early Sunday on suspicion of killing a Japanese woman and stealing her belongings at a hotel in the prefectural capital. Lance Cpl. Devin Jacob Ballard, 20, assigned to Marine Corps Air Station Futenma, is suspected of killing Anna Yagi, 39, of Naha, early Saturday at a hotel in the city's Wakasa district, an Okinawa Prefectural Police spokesman said by phone Sunday. Police did not identify the hotel but provided a block number. Based on that and photos published by Okinawa Television, it is Naminoue Crystal Hotel. Police allege Ballard stole the woman's wallet and another item and killed her sometime between 2:10 a.m. and 4:17 a.m., the spokesman said.