In this March 24, 2009 photo, Brooke Zupnick of Gahanna, Ohio, unloads her grocery cart near the LaneHawk loss prevention device at Kroger store in Gahanna, Ohio. Stores are employing new measures, both seen and unseen, to fight back against rising theft problems during the recession. While retailers won't give away all their security secrets, industry officials say stores are adding plainclothes patrols on their floors and that increasingly sophisticated video surveillance systems, some that allow a security expert to monitor stores across the country, are becoming common.
