Law Enforcement

Learn interview “hooks” and signs of deception by Evaluating Truthfulness

Working in law enforcement is one of the most dangerous and challenging occupations today.

The ability to evaluate truthfulness and asses credibility is a crucial skill for many professionals whose jobs require interviews, interrogations, and information collection and reaction elicitation of others. Having the ability to read people’s body language and nonverbal behavior is extremely important in this process. Our training will help participants improve their individual abilities to make such judgments by focusing on the world of nonverbal behaviors evaluated in context against verbal output.

Also learning how to spot signs of imminent danger while detecting signs of deception and hostile intent can prevent dangerous situations for law enforcement officers.  Learning how to take evasive action, if necessary, and having the ability to read people’s body language and nonverbal behavior may mean the difference between life or death.


Dr. Matsumoto was passionate and naturally engaging. Transitions were smooth and allowed me as a participant to grasp the information at a nice pace.

-San Francisco Police Department


Our training can help you:

  • Improve skills in reading emotions and other nonverbal behaviors
  • Evaluate truthfulness and spot clues to potential deception via nonverbal behaviors
  • Learn which nonverbal behaviors have been scientifically proven to be associated with truthfulness and deception and which have not
  • Learn how detect signs of deception and hostile intent
  • Learn how to spot signs of imminent danger

Humintell’s trainers have had the opportunity to work with various law enforcement agencies around the county.

They include:

  • Department of State
  • Department of the Interior, Inspector General’s Office
  • Department of Commerce, Inspector General’s Office
  • US Marshals Service
  • Federal Bureau of Investigation
  • Transportation Security Administration
  • Oregon Department of Investigation
  • Great Lakes International Gang Investigators
  • San Francisco Police Department
  • San Mateo Police Department
  • Sacramento Police Department

For more information on our instructor led workshops, click here or contact Humintell at

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