For mall cop E.J. Ferris, catching customers who "forgot to pay" is quite a change of pace from her former life in the military. But, when a real crisis heats up her climate-controlled domain, her old instincts come back quicker than last year's skinny jeans. On good days, Fernglen Galleria is a tranquil haven of capitalist splendor-but today is not one of those days. Arriving for her morning shift, E.J. spots a sleeping homeless person outside the...