Collin Hawkins (defendant), a convicted felon, allegedly participated in a carjacking of Rueben King. King identified Hawkins as one of the carjackers. Over two weeks later, the police were investigating a separate incident that they believed involved Hawkins. Police located Hawkins and arrested him. Hawkins had a firearm on his person. The United States (plaintiff) charged Hawkins with carjacking and brandishing a firearm in connection with the carjacking (Counts I and II) and one count of being a felon in possession of a firearm due to his carrying a firearm when he was arrested (Count III). The gun that police recovered when arresting Hawkins was not the same gun that Hawkins allegedly used in the carjacking. Hawkins filed a motion to sever Counts I and II on the ground that they were improperly joined, or the alternative ground that the joinder was unduly prejudicial. The prosecution argued that the three crimes were of a similar character because they were gun-related offenses and occurred within three weeks of each other. The district court denied Hawkins’s motion and convicted Hawkins on all three counts. Hawkins appealed.