The first lie detector test was created in 1921 by part-time Californian policeman and physiologist John A. Larson. He combined the measurement of respiration, heart and blood pressure rates as an aid to detect deception in the human body. Since then, lie detectors have been co-opted as a tool to prove guilt or innocence in a range of cultural settings,…

There are many reasons why people want to do a lie detector test. It may be that your business is experiencing theft or fraud, or perhaps you have suspicions about a spouse. You could be facing criminal charges as a result of identity theft, and need to arrange your own lie detector test in order to clear your name. Thankfully,…