Colorado teens charged with murder in deadly rock-throwing spree.

Three Colorado teenagers have been charged with murder and a dozen other counts for allegedly throwing large landscaping rocks toward seven vehicles on suburban Denver roads on April 19. The final rock-throwing incident killed 20-year-old driver Alexa Bartell. The three defendants, dressed in orange jumpsuits and handcuffed, sat with their attorneys in court. They are being held without bond and the next hearing in the case has been scheduled for May 16.