Florida Polygraph &
Lie-Detection Services

Office Address
Merrill Lynch Building
395 E. Central Avenue
Winter Haven, FL. 33880

Corporate Officers & Dedicated Professionals

William McCallister is president and senior examiner for the firm. He holds a bachelor's degree in criminology and criminal justice from Florida State University (1978) with specialized certification in law enforcement and security administration.

• 1983 graduate of the Academy of Polygraph Science and Methodology, studying under Dr. William J. Yankee - creator, first director of the Department of Defense Polygraph Institute (DODPI). Master's Level Program
• Professionally trained at an American Polygraph Association accredited school
• Completed an American Polygraph Association approved internship in 1984.
• Member of the ASTM International Committee on Psychophysiological Detection of Deception (Polygraph Standards of Practice)
• Advanced training in forensic psychophysiology, polygraph technology, pre-employment security screening, criminal interviewing, and personality and behavioral profiling.
• Over 25 years of professional experience, including appointments as a sheriff's patrol officer, field training officer, detective, and forensic polygraph examiner.
• Held assignments in special investigations, organized crime and criminal intelligence, fugitive apprehension, and internal affairs.
• Expertise in criminal cases and has lectured at and consulted with law enforcement agencies, colleges and professional organizations.
• Since 1983, qualified on numerous occasions as Expert Witness in the field of polygraph science and methodology on behalf of State Attorney’s Office in State Courts.
• Member of the American Society of Criminology
• Former president of a private polygraph testing firm.
• 1983 FDLE Certificate in Criminal Psychological Profiling.
• 1983 Certified in Reid Technique of Interviewing & Interrogation.
• Re-Certification 2001.
• 1997 Graduate of The University of Florida Paralegal Studies Program.
• 2001 FSU Certification in Security Administration.
• 2002 National Polygraph Association Joint Training Seminar - Overland Park, Kansas.
• 2003 National Polygraph Association Advanced Training Seminar - Las Vegas, Nevada.
• 2004 American Polygraph Association, 39th Annual Seminar/Workshop, Advanced Training, The Rosen Center Hotel, Orlando, Florida. Presentations by Dr. Gordon H. Barland, Dr. Frank Horvath, Dr. James A. Matte and Dr. Stewart Senter.
• 2005 National Polygraph Association, Advance Training Seminar, Las Vegas, Nevada. Training Presentations by Neil Barker, Cognitive Interviewing, David C. Raskin, Ph.D., The Utah Technique and Computer Analysis of Polygraph Data.
• 2006 American Polygraph Association, 41st Annual Seminar/Workshop, Advanced Training, The Hilton, Las Vegas, Nevada. Presentations by Eric J. Holden, Stuart Senter Ph.D., Cleve Backster, Andy Dollins, Ph.D., and Frank Horvath, Ph.D.
• 2006 American International Institute of Polygraph, Advanced Training (40 hours)
  American Polygraph Association recognized program, Polygraph Testing for the
  Identification, Treatment and Monitoring of Sex Offenders, Atlanta, GA
• Attends advanced training schools, workshops, and seminars on a continuing basis.

Helga LaPollo is vice president for the firm. She is a graduate of Bachhaus College, Schaffhausen, Switzerland and brings a unique combination of experience and skill to assist our client base.

• 1984 graduate of the Academy of Polygraph Science and Methodology, Charlotte, North Carolina, studying under Dr. William J. Yankee - creator, first director of the Department of Defense Polygraph Institute (DODPI). Master's Level Program
• Over 30 years of professional experience, which includes 20 years as international flight service manager, for Trans World Airlines Corporation (TWA).
• Multi-lingual and provides tour and travel management services throughout the United States, Canada, Europe, and the Caribbean.
• Graduate of the prestigious Executive Protection Institute, Berryville, VA.
• Certified, as a personal protection specialist, through Nine Lives Associates, Inc.
• Provides risk and threat assessment consulting services to corporate business travelers, private tour groups, and individual clients.
• Advanced training in aircraft and marine security.
• Former member of The Reid Institute, Chicago, IL.
• Advance training certification in behavior analysis interviewing techniques.
• Former vice president and office manager of a private polygraph testing firm.
• Member of the National Polygraph Association
• 2004 - Attended the American Polygraph Association, 39th Annual Seminar/Workshop, Advanced Training, The Rosen Center Hotel, Orlando, Florida. Presentations by Dr. Gordon H. Barland, Dr. Frank Horvath, Dr. James A. Matte and Dr. Stewart Senter.
• 2005 National Polygraph Association, Advance Training Seminar, Las Vegas, Nevada. Training Presentations by Neil Barker, Cognitive Interviewing, David C. Raskin, Ph.D., The Utah Technique and Computer Analysis of Polygraph Data.
• Attends advanced training schools, workshops, and seminars on a continuing basis.
  

Contact Us anytime, toll free: 1.866.865.6801