Jack Schafer | Vibepedia

Jack Schafer is a renowned expert in human behavior, body language, and interrogation techniques, with a career spanning over 30 years in the FBI. He has worked with notable figures such as John Douglas and Robert Ressler, and has written extensively on the subject of human behavior and deception detection. Schafer's work has been featured in various media outlets, including CNN, Fox News, and The New York Times.