They can come from no where else?
And no one else (that is, no one else who isn't Jewish) can't be a mass-murderer?
Rwanda?
The Killing Fields was accomplished by...Russian Jews/Jewish Russians?
Ah ha! That's why Iran wants to get the bomb. They are Russian Jews, and/or Jewish Russians and/or Russian Jewish imperialists and/or Jewish Russian imperialists who want to commit mass murder. /s
That's not what I said. I said the only mass-murdering Jews in recent history have been Russian imperialists. (And by recent history, I've excluded the Israelites' root and branch extermination of the Amalekites).