POLYGRAPH / LIE DETECTION
Keystone Security & Polygraph Consultants
Minimizing Risk Through
Keystone was founded initially as a polygraph testing agency,
it's examiners 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
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 -