1. A system for detecting an object when it passes through a structure, the system comprising: a plurality of lasers; a plurality of detectors, wherein: the plurality of lasers and the plurality of detectors are associated with the structure through which an object may pass, and the plurality of lasers and detectors are situated opposite and in correspondence with one another; and a processor executing instructions stored in memory to: receive location-based data corresponding to the structure transmitted responsive to a connection between a laser and a detector from the plurality of lasers and detectors being broken identify that that the object passed through the structure via the received location-based data, and generate a notification that the identified object passed through the structure.