; (2) the term law enforcement officer means any current or former officer (including a correctional officer), agent, or employee of the United States, a State, or a political subdivision of a State authorized by law to engage in or supervise the prevention, detection, investigation, or prosecution of any violation of the criminal laws of the United States, a State, or a political subdivision of a State; and (3) the term State means each of the several States, the District of Columbia, and any commonwealth, territory, or possession of the United States.