Congressional Oversight: Congressional oversight is when members of Congress monitor and review actions taken by executive branch agencies to ensure they are in line with laws passed by Congress.
Judicial Review: Judicial review is the power of courts to determine if laws or actions taken by government officials are constitutional. It acts as a form of oversight over both legislative and executive branches.
Inspector General: An inspector general is an independent official responsible for conducting audits, investigations, and evaluations within government agencies to detect waste, fraud, abuse, or mismanagement. They provide another layer of oversight.