Except as provided in subsection (b) of this section, a person may not leave a loaded firearm, or an unloaded firearm that is in close proximity to ammunition, in any location where the person knows or reasonably should know that an unsupervised minor might gain access to the firearm. Subsection (a) of this section does not apply if:the minor’s access to the firearm is supervised by a person 21 years old or older; the firearm is in a locked gun cabinet or similar locked location; the firearm is secured with a child safety lock; the minor obtained access to the firearm as the result of an unlawful entry to the premises; or the firearm is in the possession or control of a law enforcement officer while the officer is engaged in official duties. City Code, 1976/83, art. 19, §117A(b) Ord. 91-720 Ord. 98-243