Although Chief Justice John Roberts and Justice Brett Kavanaugh both joined Thomas’s opinion in Bruen, they also joined a separate concurring opinion by Kavanaugh, which enumerated several categorical exceptions to the right to bear arms: [N]othing in our opinion should be taken to cast doubt on longstanding prohibitions on the possession of firearms by felons and the mentally ill, or laws forbidding the carrying of firearms in sensitive places such as schools and government buildings, or laws imposing conditions and qualifications on the commercial sale of arms.