Last week, in a split decision, the conservative activist wing of the U.S. Supreme Court struck down portions of a long-standing handgun ban in Washington, D.C. While it affirmed the right of individuals to possess guns, it also left intact some restrictions, including a local licensing law. The decision could have implications for...

The vast majority of gun owners purchase and use firearms legally. But a new study of guns seized by the Milwaukee Police Department (MPD) shows that felons and juveniles—who are not allowed to legally possess guns— are getting their hands on them.