‘Stand your ground’: the US laws linked to rising deaths and racist violence

The shooting of a Black teenager who rang the wrong doorbell in Kansas City, Missouri, has renewed scrutiny of “stand your ground” and other self-defense laws, which have proliferated in the US and been used to justify the killings of Black Americans.

Ralph Yarl, a 16-year-old high school junior, was going to pick up his younger twin brothers from a friend’s house on Thursday when he approached an incorrect address. The white homeowner, 84-year-old Andrew Lester, came to the door and shot Yarl in the head, before shooting him a second time,...