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POLYGRAPH / LIE DETECTION
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Independent Truth Verification Services
 Lie
Detection, Voice Stress Analysis (Diogenes USA), Polygraph
Testing, PAVSA Accredited, Polygraph and Voice Stress Marketing.
Physical Address: 15 Tuscan Place, Koppie Street, Glen Marais,
Kempton Park
Tel: 011 396 1024 / 082 491 3249
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Keystone Security & Polygraph Consultants
Minimizing Risk Through
Technology
Keystone was founded intially as a polygraph testing agency,
it's examinors are well qualified, affiliated to all the
national agencies and have a wealth of experience which have
brought successful results to their clients.
For Polygraph bookings please
click
here and complete the form.
The polygraph is the only lie
detection technique that has proven, independent, scientific,
reliability and validity studies and peer acceptance; it is the
only lie detection technique directly used by government
agencies and private institutions worldwide for investigatory
purposes. It is used by more state and local law enforcement
agencies than any other truth verification technique available.
Address: 244 Monument Road, Glen Marais, Kempton Park - Tel: 011
979 1178
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