Citing Juror Misconduct, A Judge Has Declared A Mistrial In The Vehicular Homicide Trial For A Johnson City Man Accused Of Causing A Deadly Wreck That Killed His Girlfriend Two Years Ago. Cody Dingus Is Charged With Vehicular Homicide In The February 2012 Death Of Sheridan Edwards On Knob Creek Road. The Two Were Thrown From The Vehicle After Hit A Power Pole And Rolled Several Times. Judge Stacy Street Said A Juror Apparently Drove The Route Of The Crash And Told Other Jurors During Deliberations That He Made The Curve At A High Rate Of Speed. A Status Hearing Is Set For September 2nd.