All employees of the Department of Health and Human Services ... the Department of Homeland Security s tarted performing polygraph tests on employees in an attempt to learn who might be leaking ...

Ed Hopkins, the city's director of human resources, noted a few cases where being truthful on the polygraph actually hurt a potential candidate, with some candidates admitting to non-criminal ...

A polygraph is commonly known as a lie detector but it’s really just a machine with a number of sensors that measure things like heart rate, breathing rate, galvanic skin response and blood ...

But the technology has its critics. "The public needs to know that polygraph testing has no scientific basis and is inherently biased against truthful people, yet liars can train themselves to ...

The Department of Homeland Security has begun performing polygraph tests on employees to determine who might be leaking information to the media about immigration operations, according to four ...

The Pentagon said it would investigate what it claims are leaks of national security information, saying that the probes could include polygraph tests for employees in the Defense Department.