Hezbollah Sanctions Case Highlights Frailties in the Art Market

Earlier this year, a Lebanese art collector was accused of money laundering and violating terrorism-related sanctions in a federal indictment that focused attention on the reported beneficiary of some of his activities: the militant group Hezbollah.

The collector, Nazem Ahmad, had been identified by U.S. authorities as a top financier of Hezbollah, the Lebanon-based group that the U.S. government has designated a terrorist organization. The indictment, in April, charged Mr. Ahmad, with…