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A coalition of anti-marijuana groups urged the Supreme Court in an amicus brief for U.S. v. Hemani to uphold the federal ban on gun ownership for cannabis users, arguing that modern, potent marijuana is strongly linked to violence and severe mental illness, posing a greater danger than alcohol. This case addresses a growing conflict among lower federal courts, many of which have recently ruled the federal prohibition (922(g)(3)) unconstitutional based on Second Amendment rights and a lack of historical precedent.

Marijuana Isn’t ‘Chill’ And Is Actually More Dangerous Than Alcohol, Anti-Legalization Groups Tell Supreme Court In Brief For Gun Rights Case

Dec 16, 2025

Kyle Jaeger

Marijuana Moment



A coalition of anti-marijuana organizations is urging the U.S. Supreme
Court to side with the federal government by upholding the
constitutionality of a federal ban on gun ownership by people who use
cannabis—which they claim is associated with violence and psychosis.

In an amicus brief submitted to justices on Monday for a marijuana and
firearms case, *U.S. v. Hemani*, Smart Approaches to Marijuana (SAM) and 21
other prohibitionist groups said that while cannabis is “marketed as a
‘chill’ drug by its peddlers,” today’s product has “become increasingly
known for its relationship with violence.”

“Given the shared national work amici are doing to stop the flow of drugs
and their harms to society, they have a strong interest in laws restricting
drug users’ access to firearms,” the brief said. “The evidence is clear:
today’s highly potent marijuana causes psychosis, schizophrenia, other
forms of severe mental illness, and violent behavior.”

It added that if the federal statute known as 922(g)(3) is deemed
unconstitutional—as multiple federal courts have determined in the lead-up
to SCOTUS taking the *Hemani* case—would “magnify these harms exponentially
and devastate America’s families.”

The overarching argument of the brief is the idea that marijuana is
strongly linked to mental illness, which may make a more compelling reason
to maintain the gun ban given the need to establish a historical, legal
analogue going back to the country’s founding under recent Supreme Court
precedent.

“Marijuana is thus strongly associated with long-lasting mental illness,”
it said. “This court has already recognized that mental illness is a
compelling reason to restrict gun ownership.”

But the prohibitionist organizations’ brief raised eyebrows for another
reason: It claimed marijuana use is more dangerous to society and a
person’s mental health than alcohol, despite conflicting data from studies
the filing did not cite.

“Unlike alcohol use, marijuana use has long had a documented, causal
relationship with schizophrenia and psychosis,” it said. “Alcohol’s
relationship with mental distress typically ends when the user is no longer
feeling its effects. Marijuana’s relationship with mental illness is often
only getting started there: When regular marijuana users develop cases of
schizophrenia or psychosis, these ailments often endure.”

The point echoes a recent filing from the Justice Department itself in
*Hemani*, with U.S. Solicitor General D. John Sauer advising justices that people
who use illegal drugs “pose a greater danger” than those who drink alcohol.

In addition to SAM, the new brief was also signed by Americans Against
Legalizing Marijuana, Cannabis Industry Victims Educating Litigators,
CADCA, Drug Watch International Inc., Drug Free America Foundation, Save
Our Society from Drugs, National Families in Action and 14 other groups.

“The state-level legalization of marijuana has spawned big business, with
large corporations competing to create stronger products designed to addict
users,” they said. “As marijuana has become a competitive, commercialized
product, its potency has soared, leading to substantial harm to public
health and safety.”

“The drug has thus become much more deleterious to mental health: Marijuana
use is now a leading risk factor for schizophrenia, psychosis, and other
forms of mental illness,” the brief continues. “Marijuana is now also a
common denominator in many instances of gun violence. Because of
marijuana’s causal relationship with an increased risk of mental illness
and violence, this Court should affirm the federal prohibition on drug
users owning firearms.”

The DOJ and amicus briefs were filed as rumors swell that President Donald
Trump intends to issue an executive order directing federal agencies to
reclassify marijuana, moving it from Schedule I to Schedule III of the
Controlled Substances Act (CSA). Whether that happens is yet to be seen.

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.

Now that the Supreme Court has agreed to take up *Hemani*, if justices
declare 922(g)(3) constitutional, such a ruling could could mean government
wins in the remaining cases. The high court last month denied a petition
for cert in *U.S. v. Cooper*, while leaving pending decisions on *U.S. v.
Daniels* and *U.S. v. Sam*.

The court also recently denied a petition for cert in another gun and
marijuana case, *U.S. v. Baxter, *but that wasn’t especially surprising as
both DOJ and the defendants advised against further pursing the matter
after a lower court reinstated his conviction for being an unlawful user of
a controlled substance in possession of a firearm.

Meanwhile, in recent 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 earlier this
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.

Separately, 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 a recent 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.


*— Marijuana Moment is tracking hundreds of cannabis, psychedelics and drug
policy bills in state legislatures and Congress this year. Patreon
supporters pledging at least $25/month get access to our interactive maps,
charts and hearing calendar so they don’t miss any developments.*


*Learn more about our marijuana bill tracker and become a supporter on
Patreon to get access. —*

Earlier this 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 late last year 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.

Meanwhile, some states have passed their own laws either further
restricting or attempting to preserve gun rights as they relate to
marijuana.

Recently a Pennsylvania lawmaker introduced a bill meant to remove state
barriers to medical marijuana patients carrying firearms.

Colorado activists also attempted to qualify an initiative for November’s
ballot that would have protected the Second Amendment rights of marijuana
consumers in that state, but the campaign’s signature-gathering drive
ultimately fell short.

As 2024 drew to a close, the ATF issued a warning to Kentucky residents that,
if they choose to participate in the state’s medical marijuana program
that’s set to launch imminently, they will be prohibited from buying or
possessing firearms under federal law.

The official said that while people who already own firearms aren’t
“expected to” turn them over if they become state-legal cannabis patients,
those who “wish to follow federal law and not be in violation of it” must
“make the decision to divest themselves of those firearms.”

Since then, bipartisan state lawmakers have introduced legislation that
would urge Kentucky’s representatives in Congress to amend federal law to
clarify that users of medical marijuana may legally possess firearms,
though no action has since been taken on that bill.

Kentucky Gov. Andy Beshear (D) said in January that he supported the
legislature’s effort to urge the state’s congressional delegation to call
for federal reforms to protect the Second Amendment rights of medical
marijuana patients, but the governor added that he’d like to see even more
sweeping change on the federal level.

The post Marijuana Isn’t ‘Chill’ And Is Actually More Dangerous Than
Alcohol, Anti-Legalization Groups Tell Supreme Court In Brief For Gun
Rights Case appeared first on Marijuana Moment.

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