Magnus can tell, but mostly inasmuch as he's still careful to pay attention to boundaries -- here, and everywhere. "Cool," he says, dropping it. "And I bet there was one at the barricade. Those guys are like cockroaches. Never welcome, always scurrying about when you turn on the lights." He wrinkles his nose. This is rude to cockroaches. Alex can do a remarkably gnarly cockroach, and she would never shift into a cop. Point one to the cockroaches.