The U.S. Supreme Court delivered a decisive victory for gun rights today in a unanimous ruling handed down June 18, 2026, in United States v. Hemani. The decision invalidates the federal government’s authority to prosecute individuals solely based on marijuana use under existing firearm laws.

The case centered on Ali Hemani, a dual U.S.-Pakistan citizen born in Texas who admitted using marijuana roughly every other day while maintaining a gun at home. Prosecutors charged Hemani under 18 U.S.C. §922(g)(3), which prohibits firearm possession by unlawful users of controlled substances. The Court rejected the government’s attempt to treat Hemani’s marijuana use as grounds for criminal prosecution, emphasizing that the prosecution relied exclusively on drug use without establishing any connection to violence, danger, or illicit activity.

Justice Neil Gorsuch authored the unanimous opinion, stating the government’s case was “inconsistent with the Second Amendment.” The Court clarified that prosecutors failed to prove Hemani posed a threat—neither as a drug addict, a violent offender, nor someone who used firearms for harmful purposes. Instead, the government sought penalties including up to 15 years in prison and lifetime firearm disarmament for a man simply keeping a gun at home while using marijuana.

The ruling establishes a critical legal boundary: federal authorities cannot automatically strip Second Amendment rights based solely on marijuana use. While the decision does not eliminate all prosecutions tied to addiction, intoxication, or dangerous behavior, it mandates that the government must demonstrate specific harms beyond mere substance use to justify firearm possession charges.

Justice Samuel Alito joined Gorsuch in a concurring opinion affirming the ruling’s significance. The Court explicitly noted that individuals with documented addictions, active intoxication, or violent tendencies remain subject to valid prosecutions under existing law—a distinction the justices emphasized as vital to preserving constitutional protections without undermining public safety.