Kristalknacht.
or they need a martyr.
More like Kristalnoche.
Don't quite get the analogy - at least not yet.
The Kristallnacht in Nazi Germany was precipitated proximately by the killing of a German diplomat in Paris by an angry Jewish youth.
We don't know yet here whether the perp was a natural adversary of the regime or not. My intuitive guess is that the perp was a left radical Latino.