"Colorado police arrest 3 teens for deadly rock-throwing spree"

Three 18-year-old teenagers were charged with murder after allegedly throwing landscaping rocks at several Colorado drivers, including Alexa Bartell, who was killed when a rock smashed through her windshield. The trio is also suspected of carrying out several other similar rock attacks on drivers the same night. Each faces first-degree murder charges, and additional charges could be tacked on. The victim's friend found her dead after tracking her down using a phone app after the line went silent.