Polygraph Expert Shows How to Beat a Lie Detector Test

Name: Polygraph Expert Shows How to Beat a Lie Detector Test
Uploaded: 2015-08-04T14:04:53Z
Channel: Bloomberg Originals
Description: Doug Williams is a former Oklahoma City detective sergeant. As an officer in the department's internal affairs and polygraph unit, he conducted thousa

1.6M views · 10 years ago · 6:19

Bloomberg Originals

Educational creator

Aug 4, 2015 · 1.6M views

Doug Williams is a former Oklahoma City detective sergeant. As an officer in the department's internal affairs and polygraph unit, he conducted thousa