Teens face multiple charges in deadly rock-throwing incidents.

Three men accused of throwing rocks at cars, killing Alexa Bartell, now face additional charges including attempted first-degree murder, assault, and attempted assault. The men allegedly threw rocks at oncoming traffic, hitting six other cars and injuring two other drivers. The charges include one count of first-degree murder with extreme indifference, six counts of attempted first-degree murder, three counts of second-degree assault, and three counts of attempted second-degree assault. The men are being held without bond and a motions hearing is set for May 16.