Meet Susan Constantine:
World-Renowned Body Language Expert

Susan Constantine, MPsy, is a leading authority on body language and its role in communication, leadership, and deception detection.

With over 20 years of experience in the field of human behavior sciences, she is a sought-after media commentator, consultant, and trainer. Susan has appeared on over 1,000 national and international television programs, print publications, and radio programs, providing expert analysis of the body language of political leaders, celebrities, and suspects in high-profile trials on networks such as CNN, Fox News, and Good Morning America.

In addition to her media appearances, Susan offers personalized coaching, training courses, and keynotes to help individuals and companies improve their communication skills and achieve their goals. With a master’s degree in Leadership Coaching Psychology and a passion for helping others succeed, she is uniquely qualified to teach leaders how to effectively use body language to communicate, motivate, and inspire. Her expertise has been sought after by a range of industries, including law enforcement, military, finance, and healthcare.

Susan is also highly regarded in the legal industry for her expert consulting, training, and education services. She has worked with the Department of Defense’s Office of the Inspector General and various Public Defender and State Attorney offices, helping professionals in these fields improve their skills in detecting deception and interpreting nonverbal cues. Her courses have been widely recognized and approved for continuing legal education in over 30 states.

Susan Constantine’s skills are validated by science and vetted in the field of human behavior sciences. She is a certified expert in EIA’s Six Channel Analysis System (SCAnS) – a scientifically supported behavior analysis system designed to capture real-time behavioral data across all six communication channels:

      • Voice
      • Psychophysiology
      • Facial expressions
      • Body language
      • Verbal style
      • Verbal content

In addition, Susan is also certified in F.A.C.S (Facial Action Coding System), developed by psychologists Paul Ekman and Wallace V. Friesen. FACS is the most widely acknowledged, comprehensive, and credible system of measuring visually discernible facial movements. It breaks down facial expressions into individual components of muscle movement, called Action Units (AUs). With her expertise in FACS, Susan is able to accurately and objectively measure facial expressions for behavioral science investigations.

If you are looking to improve your communication skills, accurately detect deception, better understand the role of body language in leadership and communication, receive expert deception detection consulting, training, or services, Susan Constantine is here to help you be more effective and achieve better outcomes for yourself, your clients, or your organization.


To invite Susan Constantine to train, coach, or speak at your upcoming event, please contact her at 407-405-3417.



Deception is a pervasive problem that can be difficult to detect, but every lie has its tells. That’s why Susan Constantine and her carefully selected team of deception detection experts specialize in analyzing facial expressions, behavior, gestures, micro vocal tremors, language, and more to reveal the truth in any situation.

No matter what legal, professional, or personal challenge you’re facing, you can trust Susan and her team to provide reliable and accurate deception detection services. With years of experience and cutting-edge technology, they have a proven track record of uncovering the truth and delivering results. 

man in a crowd
Bob Shaffer

Lt. Bob Shaffer is a 33-year veteran of the police force and a renowned statement analysis expert. He has completed more than 200 hours of training in modern statement analysis techniques and has provided classroom training sessions across North America, Asia, and the Middle East since 1997.

Lt. Shaffer has applied his analytical skills to high-profile cases such as George Zimmerman, Dylan Redwine, and Oscar Pistorius’ murder investigations, and he consults with law enforcement and private investigation firms nationwide. Currently serving as a lieutenant and primary statement analyst for the Loveland Police Department in Colorado, Lt. Shaffer also volunteers his time and expertise to the Center for Exploited and Missing Children and FundMe2.

Business men shaking hands
Jerry Crotty

Jerry Crotty is a highly accomplished expert in the Computer Voice Stress Analyzer (CVSA). With over 20 years of experience in law enforcement, including property crimes, person crimes, crimes against children, internet crimes against children, and fraud investigations, Jerry is a seasoned professional in the field. He is the Director of Law Enforcement for the National Institute of Truth Verification Federal Services and trains examiners of the CVSA. His work has been recognized in the book Malcontent by Sean R. DeGrilla, where he provided the first-ever CVSA examination that was published based on statements made by Lee Harvey Oswald. Additionally, his expertise is featured in the Journal of Child Sex Abuse, where his use of the CVSA was analyzed in online sex travelers and child porn offenders, leading to the recovery of 87 unknown live victims of child sex abuse.

Business men shaking hands
Millard F. “Fil” Waters II

Detective Fil Waters is a highly accomplished law enforcement professional, with a Master’s Degree in Criminal Justice Management and an undergrad in Political Science. He served as a 1st Lieutenant in the US Marine Corps, conducting investigations and earning the Navy Achievement Medal. As a detective, he has worked on a wide range of cases with a 96% clearance rate on almost 400 murder investigations. In addition to his investigative work, Det. Waters has been a certified TCOLE Instructor since 1986, teaching law enforcement agencies both nationally and internationally on topics such as interviewing techniques, homicide investigations, courtroom testimony, ethics, and firearms training. He has received numerous accolades for his work, including Mayor’s and Chief’s Commendations.

Mark McClish
Mark McClish

Mark McClish is a retired Supervisory Deputy United States Marshal with 26 years of federal law enforcement under his belt. He spent nine years teaching interviewing techniques at Marshals Service Training Academy. During that time, he studied deceptive statements and conducted reasearch which led him to develop techniques to detect deception in a verbal and written statement.

Mark retired from the Marshals Service in 2009 and now provides interviewing skills training and assists investigators in analyzing a suspect’s statement. Mark currently gives presentations on his statement analysis techniques throughout the United States and had authored two books, “I Know You Are Lying” and “Don’t Be Deceived.” 

Bob Frier
Bob Frier

After 25 years as the lead anchor in major markets from California to Florida, Bob stepped down from the anchor desk in 2020. He had covered major events, both local and national, like the devastating hurricanes of 2004, the Shuttle Columbia disaster, and interviewed nearly every major local and state politician in the days immediately following 9/11.

He is now an expert media consultant for those looking to break into the television business and those looking to make their television appearances more impactful. Bob has taken his many years of experience in front of the camera and distilled it into expert training. He has helped college students launch their careers on camera, mayoral candidates prepare for upcoming debates and Keynote speakers prepare to deliver an important speech.

What Clients Are Saying

Susan Constantine might justly be called one of the world’s leading experts in lie detection. Her resume is thoroughly impressive, beginning with where and with whom she trained to the impressive list of many whom have hired her. Constantine is a formidable presence. She teaches classes, mostly to attorneys looking for an edge in recognizing truth in their clients and witnesses, and she has been sought by legions of others who want to know who is telling the truth and who is not. Her class is a whirlwind of information that leaves you wanting to drop everything and totally immerse yourself in the learning.

– Linda Mann
Retired Investigator / Training Officer
Department of Defense Inspector General

Susan was a wonderful, charismatic and engaging speaker at our corporate event. Her subject matter fit our audience perfectly, and she even altered some content at the last minute to make the presentation even more applicable to those in attendance. She is so knowledgeable and experienced in her subject matter, it is easy to see why she is a leading authority in her field. Based on our opinion and the feedback we received from attendees, we would definitely recommend her services.

– P.S.
Washington Post

Such a dynamic presentation at CAI in Sarasota. Informative, educational, entertaining, memorable. Our group was extremely fortunate to host your presentation!

– R.T.B.C.
Vice President, Investment Research

I wanted to take this opportunity to thank you again for the wonderful training you provided yesterday at DODIG. I have received nothing but glowing comments from those who attended the event.

– R.M.

I just wanted you to know how much I really enjoyed the workshop that you put on in Atlanta today. As a former federal prosecutor, I had some general exposure to a few of the concepts, but I find the whole subject matter fascinating, and I thoroughly enjoyed it. I am going to recommend to my old US Attorney’s office that they sign you up for a seminar!

– R.W.

Thank you for a terrific program. You have a fabulous, engaging communication style. Your workshop was informative, entertaining, provocative, and very beneficial, one of the best I have ever attended.


– H.P.
JD Morris & Martin LLP

Susan has always provided amazing insight into the stories and trials I have covered through the years. She has a unique skill set in looking at human behavior and detecting deception.


– D.J.
Attorney / Author
Neon Zibra, LLC

Deception Detection Services and More

Bring Susan’s trusted training and insights to your law firm, business, or event.

For over 15 years, Susan has delivered memorable and thought-provoking presentations all over the country by providing valuable information to her audience.