She has no idea who most of these shadows are, much less who they are to Turing. But she doesn't need to know; they're threatening him, that's what counts. She can ask about what's going on once they're safe.

"C'mon, don't just stand there!" Another crack of the rifle as she sends an energy bullet into the nearest shadow. "Get away! Over here!" She lifts one hand from the rifle to wave, then holds it out in a beckoning gesture.