About Us


Polygraph Exposure Services is situated in the Northern Suburbs of Cape Town.We offer our services in the Western Cape and Eastern Cape but are also willing to work throughout the whole of S.A.


We operate on the P R I D E principle:

  • Professionalism - which we regard as one of the most important aspects.
  • Respect - the objectives of our clients will never be compromised.
  • Integrity - we strive to maintain our professional standards.
  • Development - to maintain our competitive advantage.
  • Excellence - This will ensure long-term growth and stability.

Meet the Team


Charles Zeelie, the owner and founder of Polygraph Exposure Services, has qualified as a Forensic Psycho-Physiologist, with the American International Institute of Polygraph (SA). The following courses were covered: Test Question Construction, Polygraph Techniques, Physiology and the Polygraph, Psychological Aspects of Polygraph, Test Data Analysis, Law, Ethics, Research, Report Writing, Quality Control and Interviews.

He is a member of, "The S A Professional Polygraph Association (SAPPA)” a Divisional Member of “The American Polygraph Association (APA)”

He has satisfactory completed two day advanced specialized training seminars at least once every two years to stay updated with the newest technology regarding Polygraph Testing in the Continuing of Education for Forensic Psycho Physiologists, at various Polygraph Associations accredited to the American Polygraph Association (APA) such as 1) The S A Professional Polygraph Association (SAPPA) 2) South African Polygraph Federation (SAPFED) and 3) The International Polygraph Study Centre (IPSC) that covers subjects as: (a) Professional Standards and Why; (b) Research to defend your exam; (c) Updated Test Data Analysis (d) Pre-test Interviews - Reducing Inconclusive results; (e) Validated Techniques; (f) New Empirical Scoring System and further Research supporting New Imperial Scoring System; (g) Pre- and Post- Conviction Testing for Sex Offenders; (h) Polygraph Testing and Labour Law and CCMA; (i) Latest Drugs and the effect on the body; (j) New American Polygraph Association (APA) Validated techniques & revised Chart Evaluation; (k) Updated American Polygraph Association (APA) standards of practice/Quality Control Procedures and Comparative Technics ; (l) American Polygraph Association (APA) Affiliated Membership; (m) How to select polygraph technics; (n) Quality Insurance; (o) Questions formulating; (p) The selection of a CQ and the correct presentation of PLC’s and DLC’s; (q) Multinomial Empirical Scoring System.

Because of his experience obtained in the South African Police Services as well as in the private sector he has the ability recognizing security risks and resolving security issues.
He supplies his clients with solutions to their respective needs.  

In a time when crime and dishonesty in our country being the order of the day, Charles will be driven by his passion for truth and honesty and devote himself in helping the truthful and honest person in proving their innocence and exposing the guilty persons for who they are.


As a senior Officer in the South African Police Services, with 25 years investigative experience in various fields such as; High treason, sabotage, arson, murder, robbery, commercial crimes, housebreaking and theft, fraud, sexual offences and child abuse. Charles obtained his National Diploma (Police - Administration) with subjects covering: Afrikaans, English, Investigation of Crime, Police Administration, Criminal Law, Law of Criminal Procedure and Evidence. 

He successfully attended courses in the SA Police Junior and Senior Business Management with the subjects: Business Management, Marketing, Public Relations and Accounting.

Investigative Experience

Charles was the head of an Investigation unit, and head of the Bomb Disposal Unit at John Vorster Square in Johannesburg where he investigated 160 bomb explosions which include 3 car bomb explosions.

He gave evidence in high priority, high treason cases in the Supreme Court and expert evidence in Supreme Courts on firearms, explosives and explosive devices.

He lives by the credo that problems create the opportunity to create solutions.

His experience obtained in the South African Police as well as in the private sector has made him an expert at recognizing security risks and resolving security issues.

Incorporating 25 years’ worth of experience into the working of the Dishonest person or Criminals mind with Psycho physiological Detection of Deception (Lie detection), ensures an in-depth analysis of any given situation.

He has administered already 7,000 Polygraph Testing’s and has given evidence in several Disciplinary- / CCMA- and Arbitration hearings which all of them were accepted.

Main Objective

To maintain Superior standards in the polygraph field, by means of outstanding services and the optimum utilization of technology.

To become the undisputed leader in all aspects of the polygraph expertise through par excellence services.

To provide Professional Polygraph Services to all of our clients. Our company is committed to assisting a diverse client base with professional assessments, in order to facilitate the resolution of important issues.

For our clients in the business community, this means assistance in on-going investigations that underwent some form of financial loss.
Through the use of sophisticated polygraph and scanning techniques, we are able to help our clients establish the truth and in so doing to gain evidence, in order to aid further investigations.

Our examinations are done by highly qualified professionals, who are motivated to help protect the client by verifying the truth, while following the highest standards of moral, ethical and professional conduct.

Mission Statement

To set and more importantly maintain superior standards in the polygraph field by means of outstanding services and the optimum utilization of technology.

Polygraph Exposure Services are dedicated to providing a valid and reliable means of verifying the truth and above all to do so with the highest levels of moral, professional and ethical conduct. We place great value on integrity, objectivity and fairness at all times, providing you the client with the highest levels of services. After all, quality service is reflected by quality results.

Promotions in the SAPD

Sergeant - 1974, Warrant Officer - 1982, Lieutenant - 1984, Captain - 1988 and Major - 1992.

Medals Received

SAP Star for Faithful Service - 10 Years, SAP Star for Faithful Service - 20 Years, SAP Seventy 5th anniversary Commemorative Medal and SAP Medal for Combating Terrorism.

Courses Successfully Attended

SAP Maintenance and Advanced Driving Courses; Anti-Terrorism Infiltration Course; National-Riot Course; Explosive and Improvised Explosive Devices Course (Bomb Disposal); SAP Basic and Advance Security Course; Intelligence Agent Handling Course; SAP Basic and Advanced VIP Security Course; Murder and Robbery Detective Course; Expert Testimony Firearm Course; Locksmith Course; SAP Officers Course; SAP Business Management Course and SPA Technical Course (Photography) and Psycho Physiological Detection of Deception (Polygraph).

Certificates Received

National Senior Certificate (Police - Admin); National Higher Certificate (Police-Admin); National Diploma (Police Admin); Explosives and Improvised Explosive Devices Course (Bomb Disposal); SAP Basic and Advanced Security Murder and Robbery Detective Course, Intelligence Agent Handling Course; SAP Basic and Advanced VIP Security Courses; Expert Testimony Firearm Course; SAP Officers Course; SAP Business Management Course; Deed of Commission from the State President, Suppression Technology Systems (Pty) Ltd; City Council of Johannesburg 100 Year Certificate; SAP College Honorary Award ad SAP Certificate of Service.


Graduated Diploma:
“The S A Professional Polygraph Association (SAPPA)”
A Divisional Member Of
“The American Polygraph Association (APA)”