The U.S. Supreme Court is holding a hearing in a case that will determine the constitutionality of a widely contested federal law prohibiting people who use marijuana from owning or possessing firearms.
After years of legal challenges to the federal statute, Section 922(g)(3), in courtrooms across the country, justices on Monday are hearing oral arguments in U.S. vs. Hemani and will put questions to the Trump administration’s Justice Department and attorneys for Ali Danial Hemani, who challenged his conviction for unlawful possession of a gun as a person who regularly used cannabis.
The federal government has consistently maintained its position that the law appropriately disarms marijuana users who, they claim, are uniquely dangerous. To meet a strict Supreme Court standard for firearm laws, DOJ has also drawn sometimes eyebrow-raising comparisons between cannabis consumers and the mentally ill and habitual drunkards to establish a historical analogue that aligns with the country’s founding era.
On the other side of the debate, civil rights groups—including the ACLU, whose attorneys are among those representing Hemani—and gun organizations such as the National Rifle Association (NRA) have argued that the current policy represents a misguided categorical infringement of Second Amendment rights for a population that uses a substance that’s been legalized in a majority of states and is possibly going to be reclassified under federal law as well.
Brandon Buskey, director of ACLU’s Criminal Law Reform Project, previewed his organizations case against Section 922(g)(3) as applied to their client in an interview with Marijuana Moment last week.
Listen to the Supreme Court oral arguments in U.S. vs. Hemani live:
Numerous amici briefs were filed with the court ahead of the much-anticipated hearing, with several pointing out that the validity of the current federal policy is made all the more confounding by the fact that President Donald Trump in December directed the expeditious finalization of a rule to move cannabis from Schedule I to Schedule III of the Controlled Substances Act (CSA).
In the background, the Bureau of Alcohol, Tobacco, Firearms, and Explosives (ATF) has moved to loosen rules that bar people who consume marijuana and other illegal drugs from being able to lawfully purchase and possess guns by making it so fewer people would be affected.
The interim final rule from ATF seeks to update the definition of “unlawful user of or addicted to any controlled substance” under an existing policy that has been interpreted to deny Second Amendment rights to people who have used illegal substances a single time within the past year.
Meanwhile, in December, attorneys general for 19 states and Washington, D.C. filed their own brief siding with the federal government in the Hemani case, insisting that justices should maintain the current § 922(g)(3) statute. The governor of Colorado, whose attorney general was among that group, subsequently said he didn’t think his state should have taken that position.
Also in December, Smart Approaches to Marijuana (SAM) and 21 other prohibitionist groups filed a brief urging justices to uphold the constitutionality of the federal gun ban for people who use cannabis—which they claim is associated with violence and psychosis.
Trump administration Solicitor General D. John Sauer, for his part, told the Supreme Court that people who use illegal drugs “pose a greater danger” than those who drink alcohol.
Meanwhile, the Biden administration was evidently concerned about potential legal liability in federal cases for people convicted of violating gun laws simply by being a cannabis consumer who possessed a firearm, documents recently obtained by Marijuana Moment show.
The previously unpublished 2024 guidance from former President Joe Biden’s Justice Department generally cautioned U.S. attorneys to use discretion in prosecuting federal cannabis cases, particularly for offenses that qualified people for pardons during his term. But one section seems especially relevant as the Supreme Court takes on a case challenging the constitutionality of the current federal gun statute.
With respect to Hemani, in a separate August filing for the case, the Justice Department also emphasized that “the question presented is the subject of a multi-sided and growing circuit conflict.” In seeking the court’s grant of cert, the solicitor general also noted that the defendant is a joint American and Pakistani citizen with alleged ties to Iranian entities hostile to the U.S., putting him the FBI’s radar.
If justices declare 922(g)(3) constitutional, such a ruling could could mean government wins in the remaining cases. The high court recently denied a petition for cert in U.S. v. Cooper, while leaving pending decisions on U.S. v. Daniels and U.S. v. Sam.
In interviews with Marijuana Moment, several Republican senators shared their views on the federal ban on gun possession by people who use marijuana—with one saying that if alcohol drinkers can lawfully buy and use firearms, the same standard should apply to cannabis consumers.
Separately, the U.S. Court of Appeals for the Tenth Circuit last year sided with a federal district court that dismissed an indictment against Jared Michael Harrison, who was charged in Oklahoma in 2022 after police discovered cannabis and a handgun in his vehicle during a traffic stop.
The case has now been remanded to that lower court, which determined that the current statute banning “unlawful” users of marijuana from possessing firearms violates the Second Amendment of the Constitution.
The lower court largely based his initial decision on an interpretation of a Supreme Court ruling in which the justices generally created a higher standard for policies that seek to impose restrictions on gun rights.
In the U.S. Court of Appeals for the Eleventh District, judges recently ruled in favor of medical cannabis patients who want to exercise their Second Amendment rights to possess firearms.
As a recent report from the Congressional Research Service (CRS) explained the current legal landscape, a growing number of federal courts are now “finding constitutional problems in the application of at least some parts” of the firearms prohibition.
In another ruling, a three-judge panel for the U.S. Court of Appeals for the Eighth Circuit vacated a defendant’s conviction and remanded the case back to a district court, noting that a retrial before a jury may be necessary to determine whether cannabis in fact caused the defendant to be dangerous or pose a credible threat to others.
The Third Circuit separately said in a published opinion that district courts must make “individualized judgments” to determine whether 922(g)(3) is constitutional as applied to particular defendants.
A federal court in October agreed to delay proceedings in a years-long Florida-based case challenging the constitutionality of the ban on gun ownership by people who use medical marijuana, with the Justice Department arguing that the Supreme Court’s recent decision to take up Hemani warrants a stay in the lower court.
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Last year, a federal judge in Rhode Island ruled that the ban was unconstitutional as applied to two defendants, writing that the government failed to establish that the “sweeping” prohibition against gun ownership by marijuana users was grounded in historical precedent.
A federal judge in El Paso separately ruled in 2024 that the government’s ongoing ban on gun ownership by habitual marijuana users is unconstitutional in the case of a defendant who earlier pleaded guilty to the criminal charge. The court allowed the man to withdraw the plea and ordered that the indictment against him be dismissed.
DOJ has claimed in multiple federal cases over the past several years that the statute banning cannabis consumers from owning or possessing guns is constitutional because it’s consistent with the nation’s history of disarming “dangerous” individuals.
In 2023, for example, the Justice Department told the U.S. Court of Appeals for the Third Circuit that historical precedent “comfortably” supports the restriction. Cannabis consumers with guns pose a unique danger to society, the Biden administration claimed, in part because they’re “unlikely” to store their weapon properly.
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