Use of metal detectors by police, law enforcement, and security personnel has dated back for a surprisingly long time. Many occurrenceshave beendocumented in which metal recognition apparatuses have been used by different security organizations and far back as 2000+yrs ago. They are a vital tool used in all types of modern law enforcement situations, down to and including, protectingancient Chinese Emperors. Metal detectors include two basic types, including the walk-through and the hand-held type. Both types are currently used to an increasing number everyday. With the modern war on terrorism, metal detectors are used in many more situations and are crucial to Police in their pursuit of protection and law enforcement. Continue reading Metal Detectors: Then & Now
