The Science of Polygraph & The Responsibility of Polygraph Examiner
In the past decades, technological breakthroughs have improved the analysis and retrieval of data obtained from a subject during a polygraph. It has been centuries that human started to site for a reliable means to detect lies and now, with advances in computer programming, modern polygraphs are now considered to the ultimate device today that seeks to reliably and accurately detect lies.
When Should a Polygraph be Used?
People lie all the time, and when people lie, they often show it in some way. When lying or being dishonest, we often avoid eye contact, we sweat a lot, stutter and others fidget. Polygraph test in Los Angeles and in other areas takes this basic concept about human and create a measurable way of recording human’s reactions to inquiries or questions. The polygraph device displays certain physiological signs that are assumed to reflect the psychological state of someone who lies. When a person is asked a sensitive question and lies, his heart may begin to race, raising the body's blood pressure. With this device capacity to detect lies and to be used as an effective lie detection in CA, or any other areas, polygraphs are administered to many suspects and witnesses to project new directions of examinations and streamline police investigations.
The polygraph can be used in a number of cases including, but not limited to criminal and civil cases, pre-employment screening, for issues related to homeland security, for commercial theft investigations, monitoring of sex offenders, for bank purposes and more. The tests are primarily used by law enforcement agencies, attorneys, parole and probation departments, and private investigator in Los Angeles and in other areas.
The Responsibility of Polygraph Examiner
A polygraph examiner in Los Angeles or in other areas is also called polygraphist. Typically, a polygraph examiner work in a comfortable, climate-controlled office and uses other variety of instruments to measure, sweat gland, cardiovascular responses and respiratory to inquiries posed during an oral examination.
The examiner is responsible to properly conduct an examination according to current regulations. He is tasked with conducting lie detection tests on crime suspects and witnesses. The examination must be administered under properly controlled conditions to accomplish the desired objective. The results of a polygraph lie detector can be helpful to the jury and judges when deciding if a suspect is innocent or guilty, or whether the testimony of a witness can be relied upon. Aside from court and hearing, polygraph expert is also used by CA private investigators, law enforcement agencies, district attorneys and even other authorized companies. For some businesses wanting to use the service of a polygraph examiner and the lie detection test, need to proceed with extreme caution. While the test is legal, it is highly controversial and must be done completely legally.
For those who are looking or in need of a professional polygraph examiner in Los Angeles and surrounding areas, you can look and search online or ask around. Make sure to hire only professional and experienced examiners who have been in the business for many years and have served many satisfied clients in the past.
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For more information, click the following links; CA private investigator, polygraph test Los Angeles, and polygraph examiner Los Angeles, or visit this website, http://www.polygraphinvestigation.com
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