As spelled out in the National Security Act of 1947 the CIA is forbidden from engaging in operations on US soil and operates in an intelligence capacity only...not law enforcement. So when Hollis relieves Grover and proceeds with an armed team during the takedown he is violating several laws.
When we see a closeup of Adam's airline ticket, the route is from Honolulu Intl to Narita Intl. The IATA codes for these airports are HNL and NRT but the ticket shows NRP for Narita.