Why some US cities are facing a spree of 'smash-and-grab' crimes

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• Why some US cities are facing a spree of 'smash-and-grab' crimes

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  Video shows mob swipe $100K of merchandise from Louis Vuitton

  CNN

  00:29/00:47

  Mobs of thieves have been making off with expensive goods in brazen, nighttime raids at upscale stores