At least four gold bars found in the FBI search of Sen. Bob Menendez’s home had been directly linked to a New Jersey businessman now accused of bribing Menendez, the state’s senior senator, Bergen County prosecutor’s records from a 2013 robbery case show.

The businessman, Fred Daibes, reported to police that he was the victim of an armed robbery in 2013, and he asked police to recover the gold bars stolen from him. Daibes reported that $500,000 in cash and 22 gold bars were stolen, Edgewater, New Jersey, police records show. Police later caught four people with the stolen goods.

A decade later, it said, the FBI found four gold bars with unique serial numbers in the Clifton, New Jersey, home of Menendez and his wife, Nadine.