For most people, it is indeed alluring to think that they do not need any security guards if they have installed closed-circuit cameras and alarms ion their property. Compared to guard gates, which have traditionally been a more reliable solution to security breaches, crimes and violence, rapid advancements in technology have significantly encouraged people to use closed-circuit television cameras in their place. Nevertheless, cameras have failed to prove themselves as the ideal substitute to guard gates for a number of reasons. The most significant of these is that guard gates promise quicker and more efficient response to attacks and intrusions ...