Abstract: Implementations of methods may be used for detecting firearms and ammunition in a school building, the methods may include: introducing a canine into a school building and providing access for the canine to smell one or more of a floor, a plurality of cabinets, or a plurality of bags in the school building. The method may also include observing an action of the canine sitting in a vicinity of an object that the canine has detected as containing one of gunpowder and ammunition.