A search at an alleged mobster’s Connecticut house did not turn up any of the stolen art from the Isabella Stewart Gardner Museum heist.

Officials said they took firearms, including a machine gun, from the home of Robert Gentile. Investigators from the FBI had been looking for clues related to the art heist at his home. Gentile’s lawyer said his client was not involved in the theft.

Thirteen pieces of art worth more than $500 million were stolen from the museum in 1990. None have been found and nobody has been charged in the heist.

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