This Act may be cited as the Mitigating Extreme Lawlessness and Threats Act.

Section 2101 of title 18, United States Code, is amended— (1) in subsection (a), in the flush text following paragraph (4), by striking subparagraph (A), (B), (C), or (D) and all that follows and inserting paragraph (1), (2), (3), or (4) of this subsection, shall be punished as provided in subsection (b).; (2) by redesignating subsections (b) through (f) as subsections (c) through (g), respectively; (3) by inserting after subsection (a) the following: (b) The punishment for a violation of subsection (a) shall be— (1) a fine under this title, or a term of imprisonment of not more than ten years, or both; (2) if the defendant, in carrying out an activity described in subsection (a), committed an act of violence or aided or abetted any other person in committing an act of violence, a fine under this title, a term of imprisonment of not less than one year and not more than ten years, or both; or (3) if the defendant, in carrying out an activity described in subsection (a), assaulted a Federal law enforcement officer or member of the uniformed service, a fine under this title, or a term of imprisonment for any term of years, but not less than one year, or for life, or both.; and (4) in subsection (c), as so redesignated, by striking subparagraph (A), (B), (C), or (D) of paragraph (1) of subsection (a) and inserting paragraph (1), (2), (3), or (4) of subsection (a).