Tuesday, November 12, 2013


TVSI President Capt. Conrado G. Dumlao Ph.D, ASIT Director Nathan J. Gordon, TVSI CEO Rosario Dumlao Nulud,

Training Director Dr. Crisanto M. Nulud, TVSI Sales Manager Eileen Tanchingco

TVSI Polygraph Dept. Manager Beatriz S. Corpuz and TVSI Polygraphists

By: Andy Fullero

Truth VerifierSystems, Inc.-Philippines has newly concluded the five-day seminar entitled “Advanced Investigation and Polygraph Seminar” at The New Horizon Hotel, Mandaluyong City in collaboration with the Academy for Scientific Investigative Training (ASIT)-USA last November 4-8, 2013. The said seminar was consisted of two topics namely: “Forensic Assessment Interview (FAINT) & Integrated Interrogation Techniques” and “Advanced Polygraph (Lie Detector) Examination Techniques”.

The participants were fascinated with the latest investigative techniques they learned from the skillful and expert lecturer Mr. Nathan J. Gordon, Director of ASIT and former President of the American Polygraph Association. The participants were composed of Security Manager, Security Officer, Operation Officer and Dean of Criminology.

The ASIT-USA was renowned as polygraph school in 1980 offering basic and advanced course in polygraph along with forensic interview and interrogation all over the world, and was accredited by American Polygraph Association and American Association of Police Polygraphists based in Philadelphia Pennsylvania, USA.

TVSI is recognized to be the country’s Number 1 company when it comes to computerized lie detector test and private detective services. It is awarded by the Philippine National Police (PNP) as the Hall of Fame Best Private Detective Agency and is an ISO 9001:2008 Certified Company. It is also an authorized distributor of Lafayette Instruments, U.S.A. TVSI’s main office is located at 2/F Cityland Bldg., 128 Pioneer St., Mandaluyong City, with telephone numbers (02) 634-7571 and (02) 634-7573.  It has a branch office at 2/F, Don Francisco M. Tan Gana Bldg., National Highway, Balibago, Sta. Rosa, Laguna. You can visit their website at www.truthverifier.com and www.liedetectorphilippines.com.