A young Jewish man living in Paris was horrified by the letters he received from his
family in
Germany. In despair, he took a gun to the German
Embassy and shot a minor
diplomat. The diplomat lingered for two days. On his
death, the German
government issued a warning to the
police that there might be
riots. Kristallnacht then burst out, led by plainclothes
SS or
Gestapo (I forget which).
The Jews were held responsible for the insurance claims against damaged property when the government learned that simply paying for the broken plate glass would bankrupt the insurance companies.