Today, many business people and homeowners rely on technologies such as alarms, CCTVs, and restricted access systems to safeguard their premises. However, they often forget an essential aspect of any security system, the security guard. Security guards are an immediate deterrent to burglary attempts. Moreover, they offer a rapid response in case of an emergency. The professionals also evaluate security threats and develop effective measures to mitigate these threats.  Supposing your home or business needs to hire security guards, what would you look for when interviewing the professionals?