Mistrial declared in Westminster road rage shooting; jury trial proceedings reset for fall 2021 KMGH and last updated 2021-07-09 17:40:26-04 ADAMS COUNTY, Colo. â A mistrial has been declared in the case of a man accused of shooting and killing a 13-year-old boy, along with shooting and wounding three others, in a Westminster road rage incident in 2018. âA necessary and indispensable witness for the prosecution notified the District Attorneyâs Office on July 8, 2021, that an emergency medical issue would not allow her to travel to Colorado from out of state to testify in person during the trial which commenced on July 7, 2021,â said Chris Hopper, the director of communications for the 17th Judicial District Attorneyâs Office in a statement Friday. âToday the Court declared a mistrial and reset the proceedings to October 25, 2021.â