Polygraphs San Francisco
You hear about lie detector tests all the time in police investigations, and sometimes a person applying for a job will have to undergo a polygraph test (for example, certain government jobs with the FBI or CIA require polygraph tests). The goal of a lie detector is to see if the person is telling the truth or lying when answering certain questions.
When a person takes a polygraph test, four to six sensors are attached to him. A polygraph is a machine in which the multiple (“poly”) signals from the sensors are recorded on a single strip of moving paper (“graph”). This has become very popular. The Experts at AAA Discrete Investigations are well-trained examiners and we can detect lying with high accuracy.
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