(1) A person is guilty of use of a weapon of mass destruction in the second degree when intentionally, without lawful authority, he or she:
(a) Places a weapon of mass destruction at any location in the Commonwealth and, as a result, any person other than the defendant receives physical injury; or (b) Places a weapon of mass destruction on:
1. The real property or any building of any public or private elementary or secondary school, vocational school, or institution of postsecondary education;
2. A school bus or other vehicle owned, operated, or leased by a school;
3. The real property or any building, public or private, that is the site of an official school-sanctioned function; or 4. The real property or any building owned or leased by a government agency, and no person dies or receives any physical injury.
(2) A weapon of mass destruction is used with lawful authority if it is used with the written permission of an agency of the Commonwealth or of a city, county, charter county, or urban-county government having jurisdiction over the use of destructive devices as defined in KRS 237.030 or the use of explosives.
(3) Use of a weapon of mass destruction in the second degree is a Class B felony.