18 U.S.C. section 1001 doesn't apply to just the FBI. It applies to all federal agents. In the context of this thread about visitors to the US, that would incl

18 U.S.C. section 1001 doesn't apply to just the FBI. It applies to all federal agents. In the context of this thread about visitors to the US, that would include the guy scanning your passport and asking "What's the purpose of this trip?" and the guy telling you to take off your shoes so they can be x-rayed.