The U.S. Department of Justice (DOJ) is holding firm on its stance that medical marijuana users should not allowed to own a gun, citing safety risks. In a recent filing, federal attorneys argued that the ban on gun ownership for cannabis users is constitutional and should remain in place. This aligns with federal regulations barring gun access for individuals considered potentially dangerous, such as those who are mentally ill or under the influence, reported Marijuana Moment. Pennsylvania Prosecutor Challenges Federal Gun BanThis filing responds to a lawsuit by Robert Greene, the District Att…