The last of the three teenage defendants in the rock-throwing murder case of Alexa Bartell fought in court today to obtain footage of a polygraph test taken by another one of the rock throwers who is ...

The polygraph examination is a key component of the security clearance process for individuals seeking access to classified information in sensitive government positions, usually within the ...

RICHMOND, Va. (WRIC) — 8news first reported on polygraph tests within Richmond’s jail last Tuesday after receiving several complaints from sheriff’s deputies. Now, the leader of the jail, Sheriff ...

EXCLUSIVE — Casey Anthony's father appeared in front of his Florida home for the first time this week ahead of the release of a TV special set to premiere Thursday at 9 p.m. ET, in which he and his ...

In 1921, John Augustus Larson, a medical student and police officer in Berkeley, California invented a machine to help detectives determine if someone was telling the truth - or lying. He called it - ...

A federal court decision is expected to be made on Monday about whether or not a second injunction is warranted to restrict federal agents’ use of tear gas outside the Immigration and Customs ...

A version of this story appeared in the On Background newsletter from The Washington Times. Click here to receive On Background delivered directly to your inbox each Friday. The Drug Enforcement ...

The Department of Homeland Security has begun administering polygraph tests to employees in an effort to identify those leaking information about immigration operations to the media, according to four ...

The polygraph is not a lie detector but rather an instrument that measures a person’s physiological changes to questions posed by the examiner. An elevated physiological response to a particular ...