Behind the screens...

ABOUT POLYGRAPH TESTING & SCREENING The polygraph is one of the most important investigation tools available to an investigator today. Byers Security makes use of the polygraph as a tool to obtain information and at times to narrow down the suspect list. From Pre-Employment to Periodic and Specific tests, polygraph tests provide accurate results, identifying risks as well as assisting in clearing innocent persons. Byers Security offers the following types of polygraph tests: Polygraph testing are mainly used in the business sector for, Pre-Employment, Incident Screening / Testing, Criminal Checks and Periodical Screening. The analytic theory of polygraph testing is that greater changes in ph

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12 Spencer Road


Cape Town


South Africa,


+27 21 592 7980

0860 18 16 18

[email protected]


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