PSIS National President Mr. Gilbert Lazo Daquiaog poses with TVSI President Conrado G. Dumlao, Ph.D at TVSI Booth Truth Verifier Systems, Inc. joined the 7th National Security Management Convention of Philippine Society for Industrial Security, Inc. (PSIS) with the theme “The Changing Pace of Security” on Oct. 17 & 18, 2013 at Midas Hotel and Casino, Pasay City. …
Truth Verifier Systems, Inc. is the Philippines’ 1st Private Detective Agency Philippines & Lie Detector Service Company, and also the 1st ISO Registered Private Detective Agency that is noted for its exceptional investigative services, expertise, integrity and truthful reporting. Marking its 47 years in the industry, TVSI continues to provide high quality service to its customers and…
“Polygraph Test” also known as “Lie Detector Test” is an instrument used to detect the truthfulness of an individual. This instrument records the changes in respiration (breathing), electrodermal activity (skin moisture), cardiovascular activity (blood volume, blood pressure, pulse) and activity sensor. In more recent research by American Polygraph Association, the accuracy of polygraph test was…
Gen. Essam Aly Gamal Eldin, the Asst. Director of Academy for Scientific Investigative Training (ASIT)-USA met Truth Verifier Systems, Inc. Executive Committee & Polygraphists for the upcoming seminar entitled “Advanced Investigation & Polygraph” last September 25, 2013. This seminar consists of two topics – Forensic Assessment Interview (FAINT) & Integrated Interrogation Techniques which is held on November 4-6, 2013 and Advanced…
Truth Verifier Systems, Inc. (TVSI), known to be the Philippines’ best private detective and lie detector company, will be conducting a 5-day seminar entitled “Advanced Investigation and Advanced Polygraph” on November 4-8, 2013 at The Legend Villas, #80 Pioneer St. corner Madison St., Mandaluyong City, Metro Manila, Philippines. This seminar is composed two topics – Forensic…
L-R: ISO Auditors Glaiza Tumanlao, Ma. Angelica Aguilar; ISO Lead Auditor Engr. Myra C. Cabales; Quality Management Representative Rosario Nulud; ISO Auditor Mary Rose Ballarta; and TVSI Operations Manager Raul Domingo Truth Verifier Systems, Inc. (TVSI), the country’s first and leading private detective, investigation and lie detector company, marks its 3rd as ISO 9001:2008 Certified…
Truth Verifier Systems, Inc. (TVSI), the first licensed private detective company in the Philippines, noted for its exemplary service, expertise, integrity, ingenious and truthful reporting, marks its 47th Year of Excellence. Founded in May 1966, TVSI is licensed by the Philippine National Police (PNP) with License No.: PDA-001. Through the years of excellent service,…
The term “polygraph” literally means “many writing”. It refers to the manner on which selected physiological activities are simultaneously recorded. It is an accurate and delicately engineered instrument that records blood pressure, blood volume, pulse rate, sweating and breathing used for investigation, honesty check and pre-employment screening. It may be a conventional instrument,…
The President of Truth Verifier Systems, Inc. (TVSI), Capt. Conrado G. Dumlao, also known as “The Captain of Professional Detectives” received his Doctor of Philosophy in Criminology degree at the Philippine College of Criminology (PCCr) during the 51st Graduate School Commencement Exercises that was held at the Manila Hotel on April 20, 2013. Dr. Dumlao,…
Sensitivity pads can be placed under the arm rest, seat, and feet. Photo courtesy of Lafayette Instruments, USA Truth Verifier Systems, Inc. (TVSI) has upgraded its lie detector in Philippines /polygraph system. Apart from being computerized, they now have sensitivity pads which make polygraph testing more accurate and therefore, more reliable. Through these…