Can you handle the truth? Regardless, it’s Tommy Platt’s job to find it out. Platt, an investigator with the Aiken County Sheriff’s Office, is also the agency’s polygraph examiner. Also known as a ...

The polygraph, known more commonly as the “lie detector,” has a long and controversial history as a forensic tool, but it has also been used in a variety of other contexts, including employment ...

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 ...