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IntroducedJun 30, 2025
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Passed House
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Passed Senate
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Signed into Law
To amend title 18, United States Code, to provide increased penalties for mass killings involving machineguns or certain semiautomatic weapons, and for other purposes.
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Comments on HR 4257
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- Jun 30, 2025 | House
- Introduced in House
- Referred to the House Committee on the Judiciary.
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