But Walmart, Target, and other chains's own policies and practices could be worsening the problem.
From conflicting policies to understaffing, retailers can make it hard for workers to prevent theft.
That's because major retailers, including Walmart, Target, and others, have policies that sometimes prevent their own staff from addressing shoplifting at their stores, current and former employees told Business Insider.
Among the report's recommendations for retailers: Hire enough employees at stores, and make sure they aren't constantly overworked.
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