; (B) is authorized by law to engage in or supervise the prevention, detection, investigation, or prosecution of, or the incarceration of any person for, any violation of law, and has statutory powers for arrest or apprehension; (C) is not currently under investigation, has not been found to have engaged in criminal activity or serious misconduct, has not resigned from a law enforcement officer position under investigation or in lieu of termination, and has not been dismissed from a law enforcement officer position; and (D) has, within the past ten years, successfully completed a polygraph examination as a condition of employment with such officer’s current law enforcement agency; (2) to a current, full-time Federal law enforcement officer who— (A) has continuously served as a law enforcement officer for not fewer than three years; (B) is authorized to make arrests, conduct investigations, conduct searches, make seizures, carry firearms, and serve orders, warrants, and other processes; (C) is not currently under investigation, has not been found to have engaged in criminal activity or serious misconduct, has not resigned from a law enforcement officer position under investigation or in lieu of termination, and has not been dismissed from a law enforcement officer position; and (D) holds a current Tier 4 background investigation or current Tier 5 background investigation; and (3) to a member of the Armed Forces (or a reserve component thereof) or a veteran, if such individual— (A) has served in the Armed Forces for not fewer than three years; (B) holds, or has held within the past five years, a Secret, Top Secret, or Top Secret/Sensitive Compartmented Information clearance; (C) holds, or has undergone within the past five years, a current Tier 4 background investigation or current Tier 5 background investigation