We used firearm mortality and sales data to assess the impact of HB 4145, a May 2016 law that legalized concealed firearm carry without a permit in West Virginia. Firearm mortality was significantly higher (29%)in the years after the enactment of the law; handgun...
Objectives We observed how perceptions of risks, costs, crime rewards, and violence exposure change as individual gun-carrying behavior changes among high-risk adolescents. Methods We analyzed a longitudinal study (2000–2010) of serious juvenile offenders in Maricopa...
Objectives To quantify the inflation-adjusted costs associated with initial hospitalizations for firearm-related injuries in the United States. Methods We used the Healthcare Cost and Utilization Project Nationwide Inpatient Sample to identify patients admitted for...
Objectives To describe associations between neighborhood racial and economic segregation and violence during the COVID-19 pandemic. Methods For 13 US cities, we obtained zip code–level data on 5 violence outcomes from March through July 2018 through 2020. Using...
In 2002, the Baltimore City Health Department, in collaboration with the Baltimore Police Department and the Johns Hopkins Center for Gun Policy and Research, launched the Youth Ammunition Initiative. The initiative addressed Baltimore’s problem of youth gun violence...