I'll take Muzzies for $100.
You can't tell the Muzzies from the general population in Seattle.
I predict it's just some local anti-Semite.
You win the hundred dollars. Just found this:
A man got through security at the Jewish Federation and told staff members, "I'm a Muslim American; I'm angry at Israel," then began shooting, according to Amy Wasser-Simpson, the vice president for planning and community services for the Jewish Federation.