Detectives investigating the £76m ($155m) heist at the Louvre have uncovered evidence of an inside job, The Telegraph, London understands.

Sources close to the investigation claim that digital forensic evidence shows a member of security was in contact before the heist with individuals thought to be the perpetrators.

The gang is believed to have been given sensitive internal information about the museum’s security system in advance of the raid.

A source said: “There is digital forensic evidence that shows there was co-operation with one of the museum’s security guards and the thieves.

“Sensitive information was passed on about the museum’s security, which is how they were aware of the breach.”

The evidence is thought to include recordings and messages but the robbers are yet to be i

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