The inventor of the polygraph said it doesn’t work. So why does the Pentagon want to spend $30 billion?

The Pentagon wants to modernize deception detection, but faster analysis cannot repair a test that mistakes ordinary fear and ...
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This is how lie detector tests can be beaten

Lie detector tests are often treated as truth machines, but they’re far from perfect. In this video, we explain how polygraphs work and why people sometimes pass them even when they shouldn’t. Rather ...