The Louvre, the world’s most visited museum, is now at the center of a stunning heist.

Over the weekend, thieves stole priceless jewels once worn by French royalty, and today they are still on the run.

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The Isabella Stewart Gardner Museum in Boston is home to the largest property theft in the world, and the FBI is still trying to track those pieces down . The 1990 theft of artwork from Boston's Isabella Stewart Gardner Museum remains unsolved, and the mystery is still captivating the public.

NBC Boston spoke to an art theft expert who is also the director of security and chief investigator at the Gardner Museum about the logistics of this heist at the Louvre and what the thieves might be planning to do with the

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