Deception Detection

Spotting Liars

Discover the art of deception detection with David’s free guide: Spotting Liars. Based on his extensive experience in investigative interviewing and statement analysis, this guide reveals the subtle clues that can expose withheld truths.

David Jefferies

Meet the author

An accomplished, qualified trainer and educator, specialising in investigative interviewing and statement analysis.

He has lectured internationally and worked with law enforcement, the legal profession, and Government.

Using his statement analysis training, together with a wide range of academic qualifications in criminal justice and psychology, he carries out analysis of language to identify signs of deception and the withholding of information. Ostensibly used in investigative interviews, the technique is also invaluable in many areas, including recruitment, dispute resolution, and research.