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Supreme Court Rules Federal Gun Ban

Unconstitutional as Applied to Marijuana

User



July  7, 2026

Federal law prohibits nine categories of individuals from possessing firearms or ammunition. One such
prohibition, 18 U.S.C. § 922(g)(3), forbids any person who is an unlawful user of or addicted to any
controlled substance from such possession. In United States v. Hemani, the Supreme Court established
Second Amendment limits on the scope of § 922(g)(3). In the words of the Court, the federal government
had argued that § 922(g)(3) automatically disarms anyone who regularly uses any amount of any
controlled substance for anything other than its 'prescribed purpose,' regardless of individualized
circumstances, including what controlled substance an individual uses, in what amounts he does so, or
whether his drug use has ever made him a danger to himself or others. In Hemani, the Court determined
that the government presented insufficient historical support for this ambitious and expansive
interpretation of § 922(g)(3), and, in doing so, the Court ruled that the prosecution of the defendant based
solely on his use of marijuana a few times a week-without proof of relevant individual
circumstances-violated the Second Amendment.
This Sidebar provides an overview of the Hemani case. It begins with a brief sketch of modem Supreme
Court cases on the Second Amendment and then discusses the majority and three concurring opinions
produced in Hemani. The Sidebar closes with considerations for Congress.


Modern Second Amendment Jurisprudence

The Second Amendment, ratified in 1791, provides, A well regulated Militia, being necessary to the
security of a free State, the right of the people to keep and bear Arms, shall not be infringed. Over two
hundred years later, the Court engaged in its first thorough examination of the meaning of the Second
Amendment.

An   Individual   Right   to Keep   and  Bear  Arms

In 2008, in District of Columbia v. Heller, the Supreme Court held that the Second Amendment protects
an individual right to possess an operable firearm for certain purposes, particularly self-defense in the
                                                             Congressional Research Service
                                                               https://crsreports.congress.gov
                                                                                 LSB11450

CRS Legal Sidebar
Prepared for Members and
Committees of Congress