Nebraska - Crimes and Punishments. 28-1201. Terms, defined... (4) Knife shall mean any dagger, dirk, knife, or stiletto with a blade over 3-1/2 inches in length or any other dangerous instrument capable of inflicting cutting, stabbing, or tearing wounds... - 28-1202. (1) ...any person who carries a weapon or weapons concealed on or about his person such as a... bowie knife, dirk or knife with a dirk blade attachment... or any other deadly weapon commits the offense of carrying a concealed weapon. (2) It shall be an affirmative defense that the defendant was engaged in any lawful business, calling, or employment at the time he or she was carrying any weapon or weapons and the circumstances in which such person was placed at the time were such as to justify a prudent person in carrying the weapon or weapons for the defense of his or her person, property, or family. Nebraska Case Law: - "Whether an object or weapon not specifically enumerated in subsection (1) of this section was a deadly weapon is a question of fact to be decided by the trier of fact." (1983) - "Section 28-1202(1)... is sufficiently definite to meet the requirements of the first and fifth amendments to the U.S. Constitution and Art. I, section 3, of the Nebraska Constitution..." http://www.knife-expert.com