L.I.E.S. Linguistic Interrogation Expert Services was established in 2001 with the vision and commitment to produce professional training programs which develop the skills of investigators to obtain accurate and reliable information from people, which is the primary source of evidence and information obtained during most criminal investigations. Our instructors are highly trained seasoned detectives who share a passion for interview and interrogation, statement analysis, detecting deception and finding the TRUTH.
Our training programs reflect our philosophy that investigators are gatherers of facts and information and should be focused on finding the TRUTH within every investigation. To ensure that you gather the most accurate and reliable information during your investigations, you must make sure your training is the absolute best and that it is supported through academic research as well as effective application within the field.