As Colorado Reels From Another School Shooting, Study Finds 1 in 4 Teens Have Quick Access to Guns One in 4 Colorado teens reported they could get access to a loaded gun within 24 hours, according to survey results published Monday. Nearly half of those teens said it would take them less than 10 minutes.

“That’s a lot of access and those are short periods of time,” said Virginia McCarthy, a doctoral candidate at the Colorado School of Public Health and the lead author of the research letter...