"Immigrants," they echo, and if there's any of Joshua in Graham's tone, it's only because they're both thinking the same thing. Red Camp has 'immigrants' too. "In a city you say we can't leave. What's stopping us, exactly? We didn't see any military installations."

There's that plural slip again, but they don't concern themselves with it this time. Their focus is entirely on Detective Sousa and what he says next.