Part I. Introduction; 1. Research on deception detection: past and present P. A. Granhag and L. A. Strömwall; Part II. Lie-Detection Techniques: 2. Discerning lies from truths: behavioural cues to deception and the indirect pathways of intuition B. M. DePaulo and W. L. Morris; 3. Statement validity analysis and the detection of the truth G. Köhnken; 4. Reality monitoring and detection of deception S. L. Sporer; 5. The psychophysiological detection of deception C. R. Honts; Part III. Special Problems Facing a Lie-Catcher: 6. Lies travel: mendacity in a mobile world C. F. Bond and S. R. Rao; 7. Coping with suggestion and deception in children's accounts G. Davies; 8. The detection of false confessions S. Kassin; 9. Crime-related amnesia as a form of deception S. Å. Christianson and H. Merckelbach; Part IV. Enhancing Lie-Detection Accuracy: 10. Practitioners' beliefs about deception L. A. Strömwall, P. A. Granhag and M. Hartwig; 11. Training to detect deception from behavioural cues: attempts and problems R. Bull; 12. The wizards of deception detection M. O'Sullivan and P. Ekman; 13. Guidelines to catch a liar A Vrij; Part V. Conclusions: 14. Research on deception detection: future challenges P. A. Granhag and L. A. Strömwall.