The trial for a 39-year-old Knoxville resident charged with murder in the first degree began earlier this week in the Marion County Courthouse. The trial for Steven Dean McGinnis, who is charged in the September, 2008 shooting death of Knoxville resident Robert Ohl, saw testimony from medical doctors, Ohl’s wife, footage of McGinnis being questioned by law enforcement after the shooting, among other testimony. The trial is set to resume Monday at 1:30 p.m.