Supreme Court Sides With Marijuana User in Major Second Amendment Case

For thousands of folks in Humboldt, Mendocino and Trinity counties, today’s unanimous U.S. Supreme Court decision addresses a conflict that has existed ever since California legalized marijuana: Can someone who legally uses cannabis under state law still exercise their Second Amendment rights?

The Court ruled that the federal government cannot prosecute a Texas man under a broad interpretation of a federal law that bars “unlawful users” of controlled substances from possessing firearms. The decision leaves many questions unanswered, but it rejects the government’s argument that someone can automatically lose their Second Amendment rights simply because they regularly use marijuana.

Justice Neil Gorsuch, writing for a unanimous Court, summarized the case like this,

“Ali Hemani uses marijuana a few times a week. That fact alone, the government says, means he is automatically banned from possessing a firearm under federal law. And because Mr. Hemani admits he owns a gun despite this ban, the government now seeks to prosecute him, imprison him for up to 15 years, and disarm him for life. This case poses the question whether the government’s prosecution of Mr. Hemani is consistent with the Second Amendment.”

The Court held that the government failed to show that automatically disarming anyone who regularly uses marijuana is consistent with the nation’s historical tradition of firearm regulation, the constitutional test established in the Court’s recent Second Amendment decisions.

The Emerald Triangle has long been home to both cannabis cultivation and a strong firearms culture. Many residents legally grow, sell or use cannabis under California law while also hunting, ranching or owning firearms for personal protection.

However, marijuana remains illegal under federal law, even though California and dozens of other states have legalized it in some form. Under the federal Gun Control Act, unlawful users of controlled substances can be prohibited from possessing firearms.

In its opinion, the Supreme Court acknowledged how dramatically the legal landscape has changed. The justices noted that most states have legalized marijuana to some degree, federal enforcement against marijuana users has declined, and the federal government has itself moved some marijuana products to a less restrictive schedule. The Court also observed that millions of Americans now regularly use marijuana, making it difficult for the government to argue that all such users are categorically dangerous.

To be clear, the decision does not declare that all marijuana users have a constitutional right to possess firearms regardless of circumstances.

Instead, the Court emphasized that its ruling is narrow. It did not decide whether Congress could enact a more targeted law, whether people who are addicted to drugs may be prohibited from possessing firearms, whether someone who is intoxicated can be barred from carrying a gun, or whether prosecutors could pursue cases involving individualized evidence that a person’s drug use makes them dangerous.

For now, the ruling means the federal government cannot rely solely on a person’s regular marijuana use to justify prosecution under the legal theory advanced in Hemani’s case.

The decision is likely to be closely watched in California and other states where marijuana is legal under state law but remains prohibited federally, leaving many otherwise law-abiding gun owners navigating conflicting state and federal rules.

Readers interested in the Court’s complete legal reasoning can read the full opinion in United States v. Hemani, decided June 18, 2026.