Bosch is always finding himself in conflict with authority, whether with his lieutenant, or a deputy chief of police (specifically Irvin Irving, Bosch's recurring nemesis until Irving was forced to retire at the end of The Closers and is now a city councilman), or the FBI.
Bosch consistently clashes with those in authority, whether it be his subordinate, a deputy chief of police (specifically Irvin Irving, who is Bosch's recurring adversary until Irving retires from law enforcement at the end of The Closers and now serves on the city council), or the FBI.