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Department of Homeland Security backs polygraph tests for suspected leakers

Name: Department of Homeland Security backs polygraph tests for suspected leakers
Uploaded: 2025-03-11T16:22:00-0400
Duration: 3 min 33 s
Description: The Department of Homeland Security is using lie detector tests for agency employees to try to detect apparent leakers of classified information. Blake McConnell, a polygraph expert, joins CBS News with more.

The Department of Homeland Security is using lie detector tests for agency employees to try to detect apparent leakers of classified information. Blake McConnell, a polygraph expert, joins CBS News with more.