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How to Spot a Liar in 7 Seconds or Less
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As a trial consultant for some of the most high-profile cases of the last two decades—including Casey Anthony, Michael Jackson, Jeffrey Epstein, and Elizabeth Holmes—renowned body language expert and deception detective Susan Constantine has met her fair share of scammers, con artists, predators, and murderers. For all their differences, Susan has long noticed that they all share one thing in common: their sole intention is to take something from you to benefit themselves. Sure, they can be likable, approachable, charismatic, charming, and helpful. But they definitely don’t have the best interests of anyone else at heart—and if you want to protect yourself from getting deceived, it’s up to you to learn just how to do it.
Susan started teaching her methods about “how to spot a liar” over twenty years ago, realizing the need for attorneys to become more proficient in spotting lies in the courtroom, as well as vetting clients and witnesses. Over the years, she’s expanded her course offerings beyond the legal profession, and now teaches thousands and thousands of people how to defend themselves from those who seek to deceive them. What’s more, she’s become a celebrated media expert, analyzing suspects in high profile cases on networks like Court TV, CNN, Dateline, and others, and has also helped families of missing persons cases find their loved ones by profiling suspects through captured camera footage.
In How to Spot a Liar in 7 Seconds or Less, Susan is sharing lessons from her course to the general public for the first time, showing readers how to not just spot liars, but how to outsmart them as well. Using her proven techniques, which are all backed by science and have been vetted in the field, readers will learn how to discern the incongruence between a person’s facial expressions, body language, spoken/written words, and demeanor, heightening their awareness to key signs of deception—and all within just seven seconds. Whether they encounter a colleague telling a little white lie in the office, a partner denying an affair, a family member hiding a debilitating addiction, or a manipulative stranger with dangerous intentions, this book empowers readers to take control over the social settings they find themselves in—and protect themselves and their loved ones from harm.
Eye-opening, enlightening, and utterly engaging, How to Spot a Liar in 7 Seconds or Less is an essential addition to the bookshelf of anyone who wants to learn what makes people tick, what motivates liars to bend the truth, and how to defend themselves against deceivers and others who want to take advantage of them.
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“Over the past four decades I’ve confronted hundreds of predators seeking to exploit children, parents and grandparents. From sexual predators to financial predators all over the world…all with one thing in common: they all tried to lie to me. It’s been no easy task to get the truth! Now, Susan Constantine, in her breakthrough book, HOW TO SPOT A LIAR IN 7 SECONDS OR LESS, takes us inside the minds of sociopaths and serial liars… and teaches us exactly how to spot them! Protect yourselves.! This is a must read!”Chris Hansen, Host of TO CATCH A PREDATOR on Dateline NBC and PREDATORS I CAUGHT on Spotify
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"World-renowned body language expert and my friend, Susan Constantine equips you with the skills to spot hidden predators. Evil often walks among us, cloaked in familiarity and preying on our trust, blending in seamlessly and hiding in plain sight. As a result, we often miss the signs, relying on gut instincts that are easily dismissed. Drawing from years of experience, Susan can identify behaviors and critical cues to help you detect threats and protect your loved ones. She offers clear, actionable signs to watch for, empowering you to recognize deceit and take proactive measures to stay safe."Susan Hendricks, Former CNN/HLN anchor, veteran broadcast, and author of DOWN THE HILL
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"In law enforcement, seconds count! As the SCI in statement analysis for my police department, it’s imperative that I help determine if someone is lying during an investigation. Susan Constantine is giving you the playbook: HOW TO SPOT A LIAR IN 7 SECONDS OR LESS! This book should be on every investigator's desk!"Sheryl “Mac” McCollum, Host of Zone 7 Podcast
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"Susan Constantine’s HOW TO SPOT A LIAR IN 7 SECONDS OR LESS is a revelation in the world of deception detection. She brilliantly dissects the complexities of human behavior, distilling them into practical, easy-to-use techniques that will forever change how you see and hear the world around you. This book is your fast track to mastering the art of truth detection, giving you the confidence to see through the smoke and mirrors of deceit. It’s an essential read for anyone who wants to stay one step ahead of the lies."Michael King, criminologist, podcast host of PROFILING EVIL, and author of DECEIVED
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"For anyone interested in true crime, or just staying safe in an increasingly dangerous world, you need to read HOW TO SPOT A LIAR IN 7 SECONDS OR LESS. Susan understands human behavior better than anyone and is our “go-to” guest on this important subject."Joel Waldman, author and podcast host of SURVIVING THE SURVIVOR
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"HOW TO SPOT A LIAR IN 7 SECONDS OR LESS is a game-changer in the world of behavior analysis, raising the bar with its commitment to reliable, scientific research. Unlike the countless body language books that rely on myths and oversimplified interpretations like “x=y” (i.e., if you see x behavior, it means y interpretation), Susan breaks the cycle of regurgitated content that often muddles the field. In high-stakes professions where detecting deception can be a matter of life and death, this book stands out as invaluable. Susan enriches truth-detection systems with detailed and varied examples from courtroom analysis, demonstrating how these scientifically grounded approaches truly work."Cliff Lansley, PhD, Emotional Intelligence Academy.
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"It is a real privilege to endorse Susan’s new book HOW TO SPOT A LIAR IN 7 SECONDS OR LESS! Anyone interested in the study of body language and non-verbal signals should read this book. Susan is the expert when it comes to determining deception and truth telling in any setting with anyone. From the courtroom to the living room the tools and techniques detecting deception that Susan shares with the reader are gold!"Fil Waters, Retired Homicide Detective and featured on ID series, THE INTERROGATOR
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"Hey, Liars! The Jig is Up! As a journalist, it’s critical for me to know who’s providing truthful information and who’s trying to trick me into spreading inaccuracies. Susan’s clear explanation of how to spot a liar has allowed me to judge quickly whether a source is trustworthy or deserves greater skepticism. Susan clearly explains how to read involuntary body language cues that reveal troves of information. I share her techniques when teaching professional journalists how to sharpen reporting skills. These reporting pros rave about the difference it’s made as they assess reliability of people they interview. But these fool-proof tools will help anyone who deals with other humans. A word of warning to liars: Susan’s secrets will help the rest of us spot you. And fast! The rest of us now can see signs you can’t hide. The jig is up!"Nanette Holt, Senior Features Editor at THE EPOCH TIMES
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"Fascinating and smart, Susan Constantine explores the dark recesses of an offender’s mind to reveal new insights that could very well save your life."Dr. Ann Burgess, forensic nurse behind MASTERMIND documentary and author of A KILLER BY DESIGN and EXPERT WITNESS
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"Susan Constantine has fashioned a must-read book that employs her proven investigative skills to educate readers on how to protect ourselves from all manner of those determined to do us harm. HOW TO SPOT A LIAR IN 7 SECONDS OR LESS doesn't just entertain and inform; it can save your life."Joe Moore, #1 bestselling author of WHITE ROBES AND BROKEN BADGES and documentary GRAND KNIGHTHAWK: INFILTRATING THE KKK
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“The always brilliant and insightful Susan Constantine shows us how to quickly and easily call, ‘Pants on fire!’ Susan’s smart, savvy book on spotting liars is a useful tool in any situation. It’s a fascinating read with invaluable information!”Julie Grant, Host of OPENING STATEMENTS WITH JULIE GRANT on Court TV
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"I have known Susan for many years. She has been such a valuable expert for me when covering the nation’s biggest true crime cases and trials. I bring her in whenever I have a suspect or witness on video providing crucial information. She is always spot on in spotting liars and this latest book is something that can help a lot of folks in many different situations… I trust and depend on Susan to help my audience on Court TV understand what we are 'really' seeing and you can trust her too."Vinnie Politan, Lead Anchor on Court TV
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"It is my honor and privilege to endorse Susan Constantine's groundbreaking book, HOW TO SPOT A LIAR IN 7 SECONDS OR LESS. It is a must read for anyone serious about detecting deception. Written by an unparalleled expert in deception detection and threat assessment, this book is an essential guide for anyone whose work depends on verifying truth and credibility. It offers practical and scientifically validated methods for identifying deception and assessing potential threats. The book is grounded in robust behavioral science and psychology and Susan’s methods are both validated in science and vetted through real-world application, offering readers a trusted framework for uncovering the truth and making it an invaluable resource for professionals across various fields. I wholeheartedly support Susan Constantine and her work as a leader in deception detection and threat assessment."Dr. David Matsumoto, Professor of Psychology at San Francisco State University and Director of Humintell, and author of APA HANDBOOK OF NONVERBAL COMMUNICATION
- On Sale
- Sep 2, 2025
- Page Count
- 272 pages
- Publisher
- Grand Central Publishing
- ISBN-13
- 9780306836091
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