Course Overview:

All investigators share one thing in common – someone has lied to them. It may have been the victim who exaggerated the reported incident. There is always the “witness” who is not really a witness or they are “helping” the victim or protecting the suspect. Of course, there’s the suspect. But, did they lie about everything or only a select few details?

In any case, people perform poorly at spotting deception with an accuracy rating of no better than 50 percent. Ironically, investigators even after receiving training in interview and interrogation and spotting deception, have an average success rate of 42 percent or less. They would have performed better at lie spotting without training! Yet, they walk out of training believing they are great human lie detectors.

So, why do we all perform so poorly at spotting deception? There are several contributing factors. First, a large portion of the purported signs of deception are based on myth. Second, there are some symptoms of deception but unfortunately, we miss those signs. Finally, lie signs are in fact very rare and they tend to be “faint” signals unless the interviewer knows how to find the right topics to ask the right questions about that will energize potential deceptive cues on the part of the person who intends to deceive.

This course will explore the facts and myths about deception cues, both verbal and nonverbal and how investigators can decrease their “lie spotting” errors and improve their ability to find the truth.

Participants will explore –

  • The origins of “lie spotting.”
  • Common myths about “body language cues.”
  • How to correctly read and interpret relevant body language.
  • Common myths about “verbal cues.” Recognizing the value of “speech cues.”
  • The two primary forms of deception.
  • The mental process of creating deception.
  • The mental consequences of sustaining deception.
  • The interviewer’s productive response to deception.

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