The text of a Congressional hearing regarding the use of lie detector devices, particularly polygraph machines and whether they are accurate in truth and fact detecting in the work place is provided in this document. Special focus is given to the Employee Polygraph Protection Act. Initial statements by Congressmen Matthew G. Martinez, Steve Gunderson, Stewart B. McKinney, and George Darden are presented. Testimony by these witnesses is included: (1) Jon Bauer, staff attorney, Legal Action Center, New York, New York; (2) John F. Beary, III, assistant dean for planning and development, Georgetown University School of Medicine, on behalf of the American Medical Association; (3) Michael Darby, victim, Lawrenceville, Georgia; (4) Joseph Fanning, vice president, Wells Fargo; (5) Robert B. Fitzpatrick, Fitzpatrick & Verstegen, on behalf of the Plaintiff Employment Lawyers Association; (6) Edward S. Katkin, chairman, Department of Psychology, State University of New York at Stoneybrook, on behalf of the American Psychological Association; (7) Nester Macho, consultant for Orkin Pest Control; (8) Steve Markman, Assistant Attorney General, Office of Policy, Department of Justice; (9) Joseph O'Neill, director of police, Conrail, on behalf of the Association of American Railroads; and (10) William J. Scheve, president, American Polygraph Association. Prepared statements of Representative Pat Williams are also included. The appendix includes statements by trade associations, unions, government agencies, and advocacy groups. (ABL)