Rhonda Clark is charged in the November 2010 death of 43-year-old Antonio Sanchez III.
Police say Sanchez was killed the day before Thanksgiving. Authorities say an autopsy showed he was shot in the head and back with a .22-caliber rifle.
Attorneys for Clark argue that Sanchez was abusive and that Clark shot him in self-defense.
Mountain Home radio station KTLO reports that jury selection is set for Monday morning and the trial is expected to last two or three days.