1. A system for detecting gamma radiation comprising: at least one security camera or monitoring camera comprising a light sensitive pixelated chip configured to produce a digital still image, a digital video image, or a combination thereof from visible light; at least one processor in communication with the at least one light sensitive pixelated chip, the at least one processor being capable of detecting one or more pixels that have interacted with gamma radiation and generating an output signal in response to the one or more pixels that have interacted with the gamma radiation in real time; and an output device capable of reporting the gamma radiation.