St. Louis school shooter obtained a gun after his family worked with police to have one removed from their home, officials say  NBC News

Advice | Miss Manners: Guest brought their loaded gun to daughter’s party  The Washington Post

A shooting killed their student. Now two California teachers are educating kids about gun violence  The Guardian US

‘Nick was such an amazing kid’: Classmates of slain 14-year-old react to his death, and gun violence, in their own words  The Philadelphia Inquirer

Mississippi Schools Can Still Make Their Own Gun Policies  U.S. News & World Report

How U.S. Businesses Can Help Reduce Gun Violence in Their Communities  HBR.org Daily

Gun company CEOs must acknowledge their role as number of mass shootings has spiked  ncpolicywatch.com

Here’s how states with the highest gun-death rates have changed their gun laws recently  USA TODAY

Mississippi public schools can make their own gun policies  The Washington Post