Perceptive Polygraph is a polygraph testing service owned and operated by Certified Polygraph Examiner Frank Watler. Our office is located at 1640 Second Street, Suite 206, Norco, California 92860, in Riverside County, near the junction of the I-15 and 91 freeways. Our polygraph testing is performed according to the standards of the American Polygraph Association, and is objective, thorough, and reasonably priced.  If you have any questions, or are in need of polygraph services, please call us today!


Forensic Psychophysiology has become greatly improved over the years due to the application of scientific validation, coupled with the application of highly accurate and improved computerized systems and instrumentation. As such, it has become a very valuable tool for both investigative purposes, when used to cover multiple issues, as well as for diagnostic purposes, when used to focus on specific events. Because of this, it has been increasingly recognized by various courts for its use in specific legal applications.  


Our Polygraph Examinations usually take 2 hours or more, depending, and consist of the following segments:


  • A Pre-Test Interview (including test question review)
  • An Acquaintance Test
  • The Polygraph Test, which includes the recording of 3 to 5 Polygraph Charts
  • Final Test Results
  • A Post-Test Interview
  • A Written report 


It should be noted that when an Examinee has a Significant Reaction (test failure) to a question or questions in a Multi-Issue exam, a Breakout Test can be performed for an additional cost.  The Breakout Test is usually conducted on another day, and consists of one or more Single-Issue Exams.  The purpose of the Breakout Exam is to determine whether or not the Examinee shows significant reactions or deceptiveness to a specific question or event.


Because of the seriousness of those issues requiring polygraph testing, it is extremely important that an examiner be trained and competent, and use only high-caliber instruments and components. Some States do not require licensing or certification, so it is very important for a  client to check on a potential polygrapher's qualifications, prior to making any payment for an examination.


(Please refer to the "About Us" page)


A qualified polygrapher should be a graduate from an American Polygraph Association (APA) accredited polygraph program.  The APA maintains lists of its members, and of all APA accredited polygraph programs.  A properly certified examiner should also attend continuing education.

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