WEWOKA -- Anthony Morrison, the fourth person charged with first degree murder in the death of Antwun Parker, 16, the teenager who was shot in a foiled robbery attempt May 19, has been arrested today, authorities said. Morrison, 43, was located in Wewoka about 2:30 p.m., said Mark Myers, Oklahoma County Sheriff's Deputies with the help of Wewoka police, Seminole County Sheriff's deputies and Oklahoma Highway Patrol troopers went to a house where Morrison was staying. Law officers knocked on the door and a woman answered.