(2) A property holder whose title is derived from any such officer, where such action or prosecution affects the validity of any law of the United States.
(3) Any officer of the courts of the United States, for or relating to any act under color of office or in the performance of his duties;
(4) Any officer of either House of Congress, for or relating to any act in the discharge of his official duty under an order of such House.
(c) Solely for purposes of determining the propriety of removal under subsection (a), a law enforcement officer, who is the defendant in a criminal prosecution, shall be deemed to have been acting under the color of his office if the officer —
(2) provided immediate assistance to an individual who suffered, or who was threatened with, bodily harm; or
(3) prevented the escape of any individual who the officer reasonably believed to have committed, or was about to commit, in the presence of the officer, a crime of violence that resulted in, or was likely to result in, death or serious bodily injury.
(2) The term “crime of violence” has the meaning given that term in section 16 of title 18.
(3) The term “law enforcement officer” means any employee described in subparagraph (A), (B), or (C) of section 8401(17) of title 5 and any special agent in the Diplomatic Security Service of the Department of State.
(4) The term “serious bodily injury” has the meaning given that term in section 1365 of title 18.
(5) The term “State” includes the District of Columbia, United States territories and insular possessions, and Indian country (as defined in section 1151 of title 18).
(6) The term “State court” includes the Superior Court of the District of Columbia, a court of a United States territory or insular possession, and a tribal court.
