An apparatus and detachable recoding system for a firearm, the apparatus and system magnetically-detachable to a forward edge of a trigger guard of a firearm, the camera system comprising video recording means and a magnetic field proximity sensor in some embodiments. The apparatus and system are adapted to be activated when the firearm is withdrawn from a holster having a permanent magnet, and to record whatever the firearm is being pointed at whenever the firearm is drawn from a holster and not is proximity to a magnet within the holster.