Teens charged with murder in deadly rock-throwing incident.

Three Colorado teens have been charged with first-degree murder in connection to the death of a woman who was struck by a rock that was thrown into her car, killing her before she crashed the vehicle. The teens are also facing attempted first-degree murder, second-degree assault and attempted second-degree assault in alleged other attacks on cars outside of Denver. Two other drivers suffered minor injuries in similar attacks pinned to the teens. The rocks were between 4 to 6 inches in diameter and weighed between 3 to 5 pounds.