The Aug. 28 shooting occurred just before 2 p.m. near DSST: Cole Middle School, northeast of downtown Denver.
Almost one in 10 deadly car accidents in the state in 2016 were related to road rage.
The shooting appears random and there are no indications that it was an act of terror, said Thornton police spokesman Victor Avila.
- The Colorado Motorcycle Expo is being held this weekend at the complex.Read more
- County Emergency Manager Nowell Marie Curran said Wednesday that the wildfire that has scorched about 600 acres is now 80 percent contained.Read more
- The fire started about noon Monday at the Byers Canyon Shooting Range west of Hot Sulphur Springs and has burned 568 acres as it travels west.Read more
About 400 faculty and staff at the University of Colorado Denver's campuses are on a wait list to receive a form of modified combat training that could help them save a life in the event of a shooting.