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Of The CVSA Examinations Produced A "Stress Indicated" Result
of those resulted in validated confessions
of interviews conducted, suspects made self-incriminating confessions
At California Lie Detector, we are committed to helping you uncover the truth with our cutting-edge deception detection services. Our arsenal of truth-seeking tools includes state-of-the-art Computer Voice Stress Analysis (CVSA) technology and comprehensive statement analysis techniques. These powerful methods have consistently led to breakthrough confessions and self-incriminating statements, providing the clarity and confidence you need to make informed decisions.
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By leveraging advanced CVSA technology and our deep expertise in human behavior analysis, we offer a sophisticated approach to exposing deception and revealing hidden truths. Our services go beyond traditional polygraph tests, providing a more nuanced and effective method of truth discovery.
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The CVSA examiner was briefed by the requesting authorities in order to become familiar with the circumstances of each case.
A pre-test interview with the subject was conducted.
The initial test questions were formulated and presented to the subject. Examinations contained from 9-31 questions, consisting of relevant, irrelevant, and control questions for which the subject provided "yes" or "no" answers.
The fourth step included processing the responses with the CVSA instrument, after which the resulting CVSA charts were analyzed and interpreted by the examiner.
If stress patterns associated with specific relevant questions were observed by the examiner, an opportunity was given for the subject to provide additional clarification regarding stress.
Provide a conclusion regarding the outcome of the CVSA examination. If the relevant questions produced a "No Stress" chart, the subject was "cleared" by the CVSA procedure then procedure will be turned over to the requesting agency.
Trusted by law enforcement and businesses alike, we deliver unparalleled accuracy using state-of-the-art CVSA technology.
Experience the gold standard in lie detection. Based in Chico, CA, our expert examiners serve clients throughout Northern California with integrity and professionalism.
This field study of criminal suspects and persons of interest is based upon actual CVSA examinations conducted by Prof. James Chapman over an 18-year period.