Unfortunately I have experience with this.... Catch-All law.
Something as simple as getting into an arguement with someone in YOUR own front yard, and they are scared.
Misdemeanor & Felony Menacing
Menacing involves the use of threat or by physical action knowingly placing a person in fear of imminent serious bodily injury, or attempting to do so.
Menacing is a Class 3 misdemeanor, but can be a Class 5 felony if a deadly weapon is used, a perceived deadly weapon is used, or when one claims being armed with a deadly weapon.Menacing (18-3-206)