Our new device. Polygraph examiner works in the office with his lie detector's equipment
Computer with diagrams for pulse indicating on lie test
Work in progress. Suspicious man passes lie detector in the office. Asking questions. Polygraph test
Focused photo. Suspicious man passes lie detector in the office. Asking questions. Polygraph test
Suspicious man passes lie detector in the office. Asking questions. Polygraph test
Suspicious man passes lie detector in the office. Asking questions. Polygraph test
Rear view. Polygraph examiner works in the office with his lie detector's equipment
Polygraph examiner works in the office with his lie detector's equipment
Girl passes lie detector in the office. Asking questions. Polygraph test
Professional services. 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
One person only. Polygraph examiner works in the office with his lie detector's equipment
Trying not to worry. 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 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
Dishonesty conception. Girl passes lie detector in the office. Asking questions. Polygraph test
Suspicious man passes lie detector in the office. Asking questions. Polygraph test
Polygraph examiner works in the office with his lie detector's equipment
This box will expose your lies. Polygraph examiner works in the office with his detector's equipment
Analizying information. Polygraph examiner works in the office with his lie detector's equipment
Preparation for the polygraph test. Conception of the lie detector
Fidelity verification. Girl passes lie detector in the office. Asking questions. Polygraph test
Vertical photo. Polygraph examiner works in the office with his lie detector's equipment
Tense look. Suspicious man 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
Particle view. Suspicious man passes lie detector in the office. Asking questions. Polygraph test
Top view. Girl passes lie detector in the office. Asking questions. Polygraph test
