"Crisis" means a traumatic and sudden event or emergency condition that:
1. Involves violence;
2. Profoundly and negatively affects or will affect pupils or employees of a private school;
3. Occurs on the property of a private school, at an activity sponsored by a private school or on a school bus while the bus is engaged in its official duties for a private school; and
4. May involve serious injury or death.
(Added to NRS by 2001, 1330)