HARRISON, Neb. (AP) – A western Nebraska man accused of killing his 8-year-old stepdaughter is expected to appear in court this week. An arraignment for 32-year-old Salvador Lopez, of Mitchell, is scheduled for Tuesday morning in Sioux County District Court. Lopez is charged with first-degree murder in the death of Kerra Wilson, whose body was found Sept. 22 on remote ranchland several miles north of their home. A Nebraska State Patrol investigator says in court documents that Lopez acknowledged killing his stepdaughter. Lopez is being held in the Dawes County jail. Court records don’t list his attorney. Police spent two days searching for the girl. Salvador Lopez had said he dropped her off at school but she did not appear in any of the surveillance footage shot in the school or on the playground.