A patriarch is the highest church official.
I believe the answer for this one is that the Nazis blamed the Jews for social, political, economic conditions in Germany. The Germans would soon take it to the extreme, and "punish" them by committing one of the worst crimes possible, genocide, because of the Anti-Semistic views.
Daesh was the group the claimed responsibility... But if you like conspiracy theories I think the government is trying to take our guns away so they stage these attacks to take over....
