KNEWZ
Three teenagers have been charged with murder over a rock-throwing spree in Colorado that left a 20-year-old driver dead.
The trio of 18-year-old boys allegedly threw landscaping rocks at several drivers on the evening of August 14th. Alexa Bartell was struck by a large rock that smashed through her windshield while speaking to a friend on the phone, causing her to veer off the road and crash into a field. The Jefferson County…