Overview :Effective Interviewing and Interrogation Techniques, Fourth Edition, answers the question, 'how do you know when someone is lying?' In addi... Read More
Overview :La Entrevista de Pre-Test- La Base de la Poligraf a representa un manual pr ctico que proporciona al poligrafista un an lisis cr tico de c m... Read More
Overview :Two internationally known lecturers and polygraph instructors have put together a manual to enhance the skills of professional polygraphists... Read More