In its ruling, the three-judge panel cited a Supreme Court ruling that “the right of the people to keep and bear arms is not infringed by laws prohibiting the carrying of concealed weapons.”

“In light of our nation’s extensive practice of restricting citizen’s freedom to carry firearms in a concealed manner, we hold that this activity does not fall within the scope of the Second Amendment’s protections,” the judges ruled.

According to court records, Mr. Peterson had permits from Florida and Washington. Mr. Peterson said he was a frequent visitor to Denver and needed to carry a firearm during his visits.