Women killed, others injured by rock thrown through windshields; Suspects at large

A 20-year-old Colorado woman was killed after a rock smashed through her windshield.
Several other vehicles were also hit by rocks that same night, injuring two other people.
The suspects are believed to have thrown the rocks from their vehicle or the side of the road and may have been driving a light-colored pickup or SUV.
Law enforcement is investigating the incidents and thinks there could be additional victims.
The woman who died was named Alexa Bartell and was from Arvada, Colorado.