Abstract: A monitoring apparatus and system for recording, differentiating, and reporting the discharge of firearms. The monitoring apparatus can be mounted to a firearm and may be automatically activated when the firearm is drawn from a holster thus enabling the monitoring apparatus to record information such as sound, video, location, time, and the like. The apparatus may use this information to differentiate between shots fired by the firearm and shots fired by other firearms. The device may report this distinction to a remote computer configured to receive updates from the weapon mounted apparatus in real time. The remote computer may display the information on a user interface such as a map display, and/or distribute the information according to rules defining how the information should be processed.