WASHINGTON POST
It begins with a relatively minor incident: A traffic stop. A burglary. A disturbance. Police arrive and tensions escalate. It ends with an unarmed black man shot dead.
That pattern played out in March in Madison, Wis., where police responded to reports of a man yelling and jumping in traffic.
It was repeated two months later in Los Angeles, where beachgoers complained that a homeless man was harassing people on the Venice boardwalk.