Maybe this is part of the shadow money. CIA has been working with business people since the beginning of Cold War and I wouldn't be surprised that they have deep roots in the financial world -- after all both Intelligence and Finance need globalization.
It’s almost certainly grift. If it were official, the arrest would have been scrubbed.
I don't think it's connected to this specific event, but there's a lot of lore about the CIA moving gold in/out of Afghanistan, Iraq and others during war time.