Even though Missouri voters passed medical marijuana use this month, federal law will prevent those who obtain a medical marijuana card from owning a gun.

John Ham with the Bureau of Alcohol, Tobacco, Firearms, and Explosives tells Missourinet the restriction is in place because pot is a schedule 1 controlled substance at the federal level.

Ham says his agency simply enforces federal laws.

Supporters of medical marijuana think Missouri’s congressional delegation should work to change the federal law governing marijuana.

Jack Cardetti, who’s with the group supporting the ballot measure that passed, tells Missourinet its times for Missouri lawmakers in Washington to work on making changes to marijuana laws.

In January, the Justice Department rescinded an Obama administration policy that had eased enforcement of federal marijuana laws in states that legalized it.