Bags of cash.  Luxury vehicles.  Exotic travel.  When we think of foreign bribery, and the prosecutions under the Foreign Corrupt Practices Act that attempt to control it, this is what comes to mind.  But how does a U.S. enforcement agency ferret out evidence of these quintessential bribes when they take place across the world, buried in a web of subsidiaries and subcontractors, especially with a global pandemic curtailing investigative resources and abilities?