"Usually I'm a raider." Cameron shrugged. It was a delightfully vague human gesture that she enjoyed using. "Connor asked me if I could fill in as a sentry sometimes. I was bored, and it sounded like something was happening, so here I am."
With precise calculation and use of the targeting system built into her heads up display, she took careful aim and fired a head shot into a zombie that had just come out of the trees. Of course to human thought speeds it looked like she just raised her pistol and fired without taking any time to aim.
"It looks like I was right. At least there's something to do up here."