An officer on night shift patrol sees a vehicle in the parking lot of a school after hours. Observing a shotgun inside the vehicle, what offense has been committed?

The scenario describes a vehicle parked in a school lot after hours with a shotgun visible inside. The key consideration here is the context of possession laws related to firearms on school property. In many jurisdictions, the mere presence of a firearm in a vehicle that is located on school property does not necessarily constitute an offense, especially if the vehicle is not in operation and no individual is using or threatening to use the weapon.

For an offense related to possession to be applicable, there typically has to be an active violation of specific laws concerning firearms on educational grounds. In this situation, since the vehicle is parked and no unlawful act is currently occurring, the law may generally categorize the situation as permissible under certain conditions, such as if the individual has a legal permit for the firearm or is compliant with local laws regarding firearm storage in vehicles.

Therefore, determining that there is "no offense" is rooted in the understanding of how possession laws apply in relation to the specific context of vehicles on school property after hours.