H.R. 4257

[Congressional Bills 119th Congress]
[From the U.S. Government Publishing Office]
[H.R. 4257 Introduced in House (IH)]

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119th CONGRESS
1st Session
H. R. 4257

To amend title 18, United States Code, to provide increased penalties 
for mass killings involving machineguns or certain semiautomatic 
weapons, and for other purposes.

_______________________________________________________________________

IN THE HOUSE OF REPRESENTATIVES

June 30, 2025

Mr. Moulton (for himself and Ms. Escobar) introduced the following 
bill; which was referred to the Committee on the Judiciary

_______________________________________________________________________

A BILL

To amend title 18, United States Code, to provide increased penalties 
for mass killings involving machineguns or certain semiautomatic 
weapons, and for other purposes.

Be it enacted by the Senate and House of Representatives of the 
United States of America in Congress assembled,

SECTION 1. SHORT TITLE.

This Act may be cited as the ``End Domestic Terrorism Act''.

SEC. 2. MASS KILLINGS USING MACHINEGUNS OR COVERED SEMIAUTOMATIC 
WEAPONS.

(a) In General.--Chapter 113B of title 18, United States Code, is 
amended by inserting after section 2332i the following:
``Sec. 2332j. Mass killings using machineguns or covered semiautomatic 
weapons
``(a) Whoever kills 3 or more people in a single incident using a 
machinegun, a destructive device, or a covered semiautomatic weapon in 
a circumstance described in subsection (b) and at a location described 
in subsection (c), shall be imprisoned for any term of years or for 
life.
``(b) A circumstance described in this subsection is any one of the 
following:
``(1) The mail or any facility of interstate or foreign 
commerce was used in furtherance of the offense.
``(2) The machinegun or covered semiautomatic weapon used 
in the commission of the offense was transported in interstate 
or foreign commerce.
``(3) The perpetrator traveled in or caused another to 
travel in interstate or foreign commerce in furtherance of the 
offense.
``(4) The offense occurred within the special maritime and 
territorial jurisdiction of the United States.
``(5) The offense otherwise occurred in or affected 
interstate or foreign commerce.
``(c) A location described in this subsection is any one of the 
following:
``(1) A school or location of a school-sponsored activity 
or organization.
``(2) A place of worship.
``(3) A medical facility or care facility.
``(4) A childcare facility.
``(5) A government building, including a Federal building, 
a municipal building, and a courthouse, or a voting location.
``(6) An entertainment or educational venue or facility, 
including a concert venue, a professional sporting event, a 
museum, a library, a movie theater, a theater venue, an arcade, 
a bowling alley, or an amusement park.
``(7) A scheduled public event, such as a parade, a 
ceremony, or a race.
``(8) A retail location, including a mall, a grocery store, 
a convenience store, a bar, or a restaurant.
``(9) An office building.''.
(b) Definition.--Section 2331 of chapter 113B is amended--
(1) in paragraph (5), by striking ``and'' at the end;
(2) in paragraph (6), by striking the period at the end and 
inserting a semicolon; and
(3) by adding at the end the following:
``(7) the term `covered semiautomatic weapon' means--
``(A) semiautomatic rifle that--
``(i) has a magazine that is not a fixed 
magazine; and
``(ii) does have any one of--
``(I) a pistol grip;
``(II) a forward grip;
``(III) a folding, telescoping, or 
detachable stock, or is otherwise 
foldable or adjustable in a manner that 
operates to reduce the length, size, or 
any other dimension, or otherwise 
enhances the concealability, of the 
weapon;
``(IV) a grenade launcher;
``(V) a barrel shroud; or
``(VI) a threaded barrel;
``(B) a semiautomatic rifle that has a fixed 
magazine with the capacity to accept more than 10 
rounds, except for an attached tubular device designed 
to accept, and capable of operating only with, .22 
caliber rimfire ammunition;
``(C) any part, combination of parts, component, 
device, attachment, or accessory that is designed or 
functions to accelerate the rate of fire of a 
semiautomatic firearm but not convert the semiautomatic 
firearm into a machinegun;
``(D) a semiautomatic shotgun that--
``(i) has the capacity to utilize a 
magazine that is not a fixed magazine; and
``(ii) does have any one of--
``(I) a folding, telescoping, or 
detachable stock;
``(II) a pistol grip or bird's head 
grip;
``(III) a fixed magazine with the 
capacity to accept more than 5 rounds;
``(IV) the ability to accept a 
detachable magazine;
``(V) a forward grip; or
``(VI) a grenade launcher;
``(E) any AK or AR type of weapon, including a 
rifle, copy, duplicate, variant, or altered facsimile 
with the capability of any such weapon; and
``(F) any weapon that is substantially similar to a 
weapon described in subparagraphs (A) through (E) 
determined by the Attorney General pursuant to a rule, 
which shall be made on the record after opportunity for 
a hearing pursuant to the rulemaking procedures 
prescribed by subchapter II of chapter 5 of title 5;
``(8) the term `machinegun' has the meaning given such term 
in section 5845(b) of the Internal Revenue Code of 1986; and
``(9) the term `destructive device' has the meaning given 
such term in section 921.''.
(c) Providing Material Support.--Section 2339A(a) of title 18, 
United States Code, is amended by inserting after ``2332f,'' the 
following: ``2332j,''.
(d) Clerical Amendment.--The table of sections for chapter 113B of 
title 18, United States Code, is amended by inserting after the item 
related to section 2332i the following:

``2332j. Mass killings using machineguns or covered semiautomatic 
weapons.''.

SEC. 3. REPORT ON CHARGES FILED FOR USE OF WEAPONS OF MASS DESTRUCTION 
AND PROVIDING MATERIAL SUPPORT TO TERRORISTS.

On the date that is one year after the date of enactment of this 
Act, and annually thereafter, the Attorney General shall submit to 
Congress a report on each case in which the Department of Justice has 
filed charges under section 2332j or 2339a of title 18, United States 
Code, during the previous year, which shall include the following:
(1) For each case in which charges under section 2332j of 
title 18, United States Code, were filed--
(A) the date of the alleged offense;
(B) the number of individuals who were injured;
(C) the number of fatalities;
(D) the age, gender, race, ethnicity, and 
nationality of each individual charged under such 
section; and
(E) the weapon used in the alleged offense.
(2) For each case in which charges under section 2339a of 
title 18, United States Code, were filed--
(A) the type of support alleged to have been 
provided;
(B) to whom such support was alleged to have been 
provided; and
(C) the age, gender, race, ethnicity, and 
nationality of each individual charged under such 
section.

SEC. 4. INCLUSION OF DEMOGRAPHIC INFORMATION IN REPORTS CONCERNING 
INTERCEPTED WIRE, ORAL, OR ELECTRONIC COMMUNICATIONS.

Section 2519(2)(c) of title 18, United States Code, is amended by 
inserting after ``order or extension,'' the following: ``, the age, 
gender, race, ethnicity, and nationality of each individual 
arrested,''.

SEC. 5. PUBLIC REPORTING REQUIREMENT.

Not later than 180 days after the Department of Justice files 
charges under section 2332j of title 18, United States Code, the 
Attorney General shall make publicly available on the website of the 
Department of Justice a report, which shall include the following:
(1) The number of individuals present at the location of 
the offense.
(2) Total amount expended by Federal, State, and local 
governments in response to the offense, including law 
enforcement response, reimbursement for medical expenses, the 
provision of mental health services, and support provided to 
affected businesses.
(3) Total amount of lost business revenue as a result of 
the offense.
(4) The total amount of assistance provided as a result of 
the offense through compensation and assistance programs, such 
as the Crime Victims Fund.
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