About The Founder And Director

Koa Fung Chew, PPA, PBS, founder and Managing Director of Polygraph Investigative Services, is a retired Superintendent of Police with the Singapore Police Force with more than 34 years of wide-ranging experience in criminal and security investigations, both as a specialist interrogator and polygraph examiner, as well as in various managerial positions, including Chief Polygraph Examiner in the Ministry of Home Affairs.

Watch Channel i TV News Featuring Ret. Supt Koa

A certified polygraph examiner and polygraph instructor, he was the first Singaporean to be trained in the polygraph. He received his polygraph training in 1977 at the American Institute of Polygraph Technology and Forensic Psychophysiology at Michigan, USA and the Israel Polygraph Institute and had subsequently served as a consultant in the formation of government polygraph units and training of government examiners.

Since 1976, he has also trained hundreds of local as well as foreign law enforcement officers in the art of interrogation and interviewing. He currently conducts interview and interrogation courses for Senior Investigators at the Singapore Home Team Academy.

Supt (Ret.) Koa has over 34 years of international polygraph experience in the government and private sectors in polygraph-assisted criminal and security investigation testing, job applicant background screening, and employee honesty and loyalty screening. Always results-driven, he has helped government agencies as well as private sector organisations crack many important cases with his interviewing and polygraph skills. For the past 10 years since his retirement, he had served as an independent assessor for polygraph charts evaluation and conducting independent polygraph testing for government agencies.

Supt (Ret.) Koa is an American Polygraph Association (APA) Certified Primary Instructor and the Assistant Director at the American Institute of Polygraph Technology and Forensic Psychophysiology, Michigan, USA. He is the current Vice President (Private) of the Singapore Association of Polygraphers and a member of the British & European Polygraph Association (BEPA).

For his outstanding service to the Singapore government, Supt (Ret.) Koa has won many national awards, including the Public Administration Medal (Bronze), Minister of Home Affairs Commendation Certificate for work excellence, Good Service Medal, and Commissioner of Police Commendation and High Commendation Certificates. ( Please see photographs on this webpage.)

For his service to the government after his retirement, he was awarded the Minister of Home Affairs Commendation Certificate in 2003.

Profile

Interviews

Surveillance

Qualifications and Training of Our Investigation Staff

Our Team of Investigators and Surveillance Operatives are battle hardened professionals drawn from the ranks of retired and ex-police officers with vast experience in criminal investigations, intelligence gathering and surveillance operations. Each investigator has undergone a rigorous integrity and honesty screening process before joining the company.

    Using time-honoured methods as well as the latest, most up-to-date techniques, our investigators work efficiently and accurately to procure valuable information and reveal the TRUTH in any given scenario without compromising the secrecy of any assignment.

    Our highly skilled surveillance operatives are supported by latest and most sophisticated surveillance devices and have access to intelligence assets to enable the gathering of solid evidence like photos and videos. They are highly motivated and results-driven, and will succeed in operations where others failed.

    In investigations where the services of skillful interviewing and interrogation are required, our team of professional interviewers and interrogators are well trained in the art of interviews and interrogation and are able to extract information from interviewees and record their statements in a format that can be used as evidence in any inquiry.

Computer Crimes And Security

Qualifications and Experience Of Our IT And Security Consultants

Our Team of IT & Security Experts are highly experienced and qualified engineers gleaned from the ranks of security and investigations organisations.

Their practical knowledge range from the early mainframe computers and PCs to the latest high-end computers, servers, PCs, tablet and mobile devices.

Their expertise are highly sought by private and government agencies to help to track the electronic footprint, sniff out criminal methods and identify culprits on a daily basis.

Our experts also provide litigation support services and help in incident management, and systems security enhancement


President's Testimonial 2001 A Testimonial from the President of the Republic of Singapore for more than 32 years of Loyal and Valued Services. Commendation From CP 1972 In 1972, Superintendent (Ret.) Koa received his first commendation for outstanding work from the Commissioner of Police. Commendation In 1998 Superintendent (Ret.) Koa again commended for outstanding work in 1998. Letter of Appreciation For Training Superintendent (Ret.) Koa's contributions to training of law enforcement officers also received appreciation. Polygraph For TV Commercial 2009 Supt (Ret.) Koa with celebrity Pierre Png 方展发 in Heaven & Earth Green Tea Commercial "The Taste Test". Polygraph For CSI Movie 2010 Superindent (Ret.) Koa's polygraph expertise was used in a CSI detective series shot in Singapore. 1 2 3 4 5 6