HISTORY

The need to detect deception is not a twentieth century concept as many would guess. Instead, the need to determine an individual’s trustworthiness dates back to almost 2000 BC. Many techniques for determining deception were were founded, often based on superstition, or the belief that a religious God would allow the truthful to prevail.

One of the earliest forms of lie detection was known as “Trial by Combat”. Physical strength was used to resolve an issue between two individuals. For example if two primitive hunters approached a fallen prey, and a dispute ensued as to whom had killed it, they would engage in combat. The assumption was that the truthful claimant would have truth on his side, and thus win the battle and own the prey…

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