Nine priceless items were stolen from the Louvre during a daring daytime heist on Oct. 19. Here's what was stolen and how the thieves did it.

The Louvre remained closed Monday after historic jewels were stolen in a daring daylight heist. Thieves used a basket lift to access the museum, smashed display cases, and fled with Napoleonic jewels.

The precious artifacts snatched from Paris’s Louvre Museum on Sunday include an emerald necklace gifted by Napoleon to his second wife and other priceless crown jewels.

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 crown jewels. The plot was carried out just 30 minutes after the Louvre opened on Sunday morning.

The brooch, worth $1.7 million, has a secret connection to The Gilded Age.

Historian Eric Anceau calls the $100 million Louvre jewel heist the most serious ever, surpassing the Mona Lisa theft of 1911. He emphasises the symbolic value of the stolen items, including a tiara w

French broadcaster BFMTV acquired a video which purports to show thieves during their heist of priceless jewels from the Louvre's Apollo Gallery.

French President Emmanuel Macron on Sunday denounced the spectacular theft of jewellery from the Louvre Museum in Paris as an attack on France's cultural history. "The theft from the Louvre is an attack on a cultural asset that we value because it is part of our history,