A rapper arrested at a Transportation Safety Administration checkpoint for having a handgun in his carry-on luggage has lost a bid to use a defense based on not knowing the gun was there.

In rejecting an effort by Juaquin Malphurs—better known by his stage name, Waka Flocka Flame—to dismiss the charges, the Georgia Court of Appeals panel also lectured the parties on appellate practice matters large and small: legislative intent and font and margin sizes in legal briefs.