Speaking of self-defense guns, Jimmy actually had another trouble: should he take a gun with him when traveling? If so, one issue was that he needed a CCW, a concealed carry permit. Additionally, not all states recognize Arkansas' CCW, so he needed to confirm in advance whether his destination was one of the states that recognized it.
In reality, it was not until 2004 that the United States passed the LEOSA Act (Law Enforcement Officer Safety Act), allowing off-duty police officers to legally carry firearms in any state. This was primarily because many incidents targeting police officers or involving accidents occurred while they were off duty. Before 2004, police officers were generally permitted to carry firearms within their own states, but not across state lines. In practice, many officers lived in one state and worked in another, creating a strong need for the ability to carry handguns across state lines.