- The estimated average rate of officer-involved shootings increased by 12.9 percent in 10 U.S. states that relaxed restrictions between 2014 and 2020 on civilians carrying concealed firearms in public, new study shows https://publichealth.jhu.edu/2022/study-finds-link-between-dropping-permit-requirement-for-carrying-concealed-weapons-and-increase-in-officer-involved-shootings-with-civilian-victims 101 comments science