Alwyn Marais, the owner, professional polygraph examiner and investigator of Truth-Detector, has over a decade of local and national investigative experience. He qualified as a Forensic Psycho-physiologist through the South African Polygraph Federation (SAPFED) and American Polygraph Association (APA) accredited school, the International Polygraph Studies Center (IPSC), in the latest scientifically validated techniques for the polygraph. He is dedicated to ongoing training in the field and attended the 2019 IPSC Advanced Polygraph Training Seminar held in Cape Town, ZA. He is registered with the Private Security Industry Regulatory Authority (PSIRA), is an authorized Officer in terms of Act 71/1962 as well as an active accredited member of the SAPFED, UKPA and the APA. Only the best polygraph equipment is used, as manufactured by the Lafayette Instrument Company (USA). Alwyn Marais is also registered and licensed to conduct various criminal record checks and other background verifications through the South African Police Service, other relevant agencies and South African government departments.