Criminal possession of a weapon generally falls into one of several categories:
Simple possession The strictest of standards, some weapons are prohibited from any form of private ownership at all, even if kept in one's dwelling under secure conditions (such as a safe). Typically, this covers military devices, such as bombs, artillery, machine guns, nuclear devices and chemical weapons. However, this may also include possession of otherwise-legal weapons by a person of a class explicitly prohibited by law or court-order from possessing them. United States federal law, for instance, defines several classes prohibited possession of firearms under the
Gun Control Act of 1968 ( ) including: • convicted felons (§ ) • fugitives from justice (§ ) • unlawful users or addicts of a
controlled substance (§ ) • mental defectives (§ ) •
illegal aliens (§ ) •
dishonorably discharged servicemen (§ ) • persons who have
renounced United States citizenship (§ )
Carry of a concealed weapon A restriction (ban) on carrying of certain weapons on one's person in such a manner that it is hidden from view of others. This can sometimes include somewhere in the same vehicle or close to one's immediate surroundings where the weapon is easily reachable.
Carry in plain sight The opposite of concealed carry, some jurisdictions make it a crime to carry certain weapons in plain view of others. Reasons may be to prevent intimidation or menacing; to create a friendlier-looking population by removing visual symbols of violence; or to intimidate/control a segment of the population known for the carry of certain weapons (such as the samurai caste during the Meiji era).
Carry on or about the person A combination of the above, this type of restriction makes it illegal to carry the weapon at all, whether concealed or not. This may or may not include the person's own land or place of business. ==Strict liability vs. specific intent==