Two police officers were shot outside the Ferguson, Missouri, Police Department early Thursday as demonstrators gathered there after the news that the city's police chief, Tom Jackson, would resign. Jackson's resignation came in the wake of a Department of Justice report that found broad racial bias in the city's police department and municipal courts system.
It's a developing story (here's what we know so far) that's sure to elicit strong reactions and a variety of interpretations. But one thing should be beyond debate: who's to blame for what happened.
Do you know? Check your understanding of the situation here.