Surveillance systems comprised of video cameras for detecting intruders; computer software for surveillance systems; apparatus for recording video comprised of cameras and digital video recorders; surveillance systems comprised of video cameras and weaponry, namely, electronic control devices used as weapons; battery chargers; [ prerecorded computer readable media, namely, DVDs featuring use and simulated use of electronic control devices used as weapons; ] protective clothing; computer application software for cell phones; computer software for application and database integration; body-worn video cameras; head-mounted video cameras; body-worn video and audio recorders