Colorado School Shooting Updates.
An 18-year-old student was killed and eight others were injured in a deadly school shooting at STEM School Highlands Ranch in Colorado. CNN's Nick Watt has the latest on how the tragedy unfolded.
An 18-year-old student was killed and eight others were injured in a deadly school shooting at STEM School Highlands Ranch in Colorado. CNN's Nick Watt has the latest on how the tragedy unfolded.