The Louvre heist seems to have been carried out not by an organised crime syndicate, but by petty criminals.  

Four thieves last month raided the world’s most-visited art museum, in daylight, stealing crown jewels worth an estimated $178 million in just seven minutes. 

French police arrested two men the following week and over the weekend a man and a woman in their 30s, living in a northern Paris suburb. 

France Correspondent Catherine Field told Mike Hosking the criminals allegedly left behind a fair bit of DNA evidence. 

Those who were arrested, Field says, already had criminal records, which meant Police were able to locate them.

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