The murder trial for a 14-year-old Osage boy accused of fatally shooting his mother is scheduled to begin this week. Jury selection is expected to begin Tuesday in Wright County District Court in Clarion. The trial was moved to Wright County from Mitchell County after a judge granted a change of venue request late last year. Authorities say the boy was 13 when he shot his mother with a rifle in March 2012 at the family's rural home. He has pleaded not guilty to first-degree murder and first-degree assault with the intent to commit sexual abuse.