görüntüleme
7:07
Ask A Polygraph Expert: How Do You Spot A Liar?
1:32
Lie Detector Simulator app
0:57
Polygraph Chart
3:21
Take a lie detector test by downloading an app on your phone
0:27
Lie Detector HD Polygraph - Android Game Preview
1:13
Lie Detector Voice app
0:58
Lie Detector Prank Simulator
3:37
How it Works: Polygraph Test
