How culturally ignorant they must be to not know which victims will draw federal attention, and which won't.
I would not set up Jews as a group to be attacking just to test a capacity for violence in my gang candidates, I would follow the example of the black gangs.
Sucker punch: Brooklyn Jews targeted in knockout attacks
http://www.jpost.com/Jewish-World/Jewish-Features/Sucker-punch-Brooklyn-Jews-targeted-in-knockout-attacks-333465