(Grand Forks, ND) — A Grand Forks County Correctional Center inmate who was accused of starting a prison riot has been found not guilty. A jury reached the verdict after just one hour Wednesday afternoon at the trial of Kyle Heintz. He was charged with criminal mischief and inciting or leading a riot in a correctional facility, stemming from a riot that happened last September. Several other inmates have admitted to their involvement and have been sentenced.