The provisions of §§ 22-24-27 to 22-24-37, inclusive, do not apply to any persons who may possess or distribute obscene matter or participate in conduct, otherwise proscribed by those sections, if such possession, distribution, or conduct occurs:
(1) In the course of law enforcement and judicial activities;
(2) In the course of bona fide school, college, university, museum, or public library activities or in the course of employment of such an organization or retail outlet affiliated with and serving the educational purposes of such an organization; or
(3) In the course of employment as a moving picture machine operator, or assistant operator, in a motion picture theater in connection with a motion picture film or show exhibited in such theater if such operator or assistant operator has no financial interest in the motion picture theater wherein that operator or assistant operator is so employed other than wages received or owed;
or like circumstances of justification if the possession, distribution, or conduct is not limited to the subject matter's appeal to prurient interests.