Testing device. Polygraph examiner works in the office with his lie detector's equipment
Female young theft. Girl passes lie detector in the office. Asking questions. Polygraph test
Portrait of professional polygraph examiner in the office with his lie detector's equipment
At daytime. Suspicious man passes lie detector in the office. Asking questions. Polygraph test
Preparation for the polygraph test. Conception of the lie detector
Testing wife for fidelity. Girl passes lie detector in the office. Asking questions. Polygraph test
Measuring heartbeat rate. Girl passes lie detector in the office. Asking questions. Polygraph test
Work in progress. Suspicious man passes lie detector in the office. Asking questions. Polygraph test
In his own cabinet. Polygraph examiner works in the office with his lie detector's equipment
Attention to this part. Polygraph examiner works in the office with his lie detector's equipment
Suspicious man passes lie detector in the office. Asking questions. Polygraph test
Trying not to worry. Girl passes lie detector in the office. Asking questions. Polygraph test
Fidelity verification. Girl passes lie detector in the office. Asking questions. Polygraph test
Polygraph examiner works in the office with his lie detector's equipment
Checking the truth. Girl passes lie detector in the office. Asking questions. Polygraph test
Ready to work. Polygraph examiner works in the office with his lie detector's equipment
Suspicious man passes lie detector in the office. Asking questions. Polygraph test
Suspicious man passes lie detector in the office. Asking questions. Polygraph test
Girl passes lie detector in the office. Asking questions. Polygraph test
Professional is on the work. Polygraph examiner in the office with his lie detector's equipment
Suspicious man passes lie detector in the office. Asking questions. Polygraph test
Polygraph testing in progress. Girl passes lie detector in the office. Asking questions
Calm woman. Girl passes lie detector in the office. Asking questions. Polygraph test
Independent polygraph testing. Suspicious man passes lie detector in the office. Asking questions
Here we begin our session. Preparation for the polygraph test. Conception of the lie detector
Connects cables. Preparation for the polygraph test. Conception of the lie detector
Professional services. Polygraph examiner works in the office with his lie detector's equipment
Now I see the false answer. Polygraph examiner works in the office with his lie detector's equipment
Many monitors. Polygraph examiner works in the office with his lie detector's equipment
Sitting on the black chair. Polygraph examiner works in the office with his lie detector's equipment
