Companies like Walgreens and Duane Reade have been battling shrinkage for a long time. So either someone is blowing up the numbers internally, making the proble

Companies like Walgreens and Duane Reade have been battling shrinkage for a long time. So either someone is blowing up the numbers internally, making the problem bigger than it actually is, leading retailers no choice but to undertake draconian security measures, or the numbers are accurate and retailers are responding to a legitimate threat that is being downplayed. Which is it?