Polygraph test ' is a test to distinguish whether a subject knows a specific fact from measured values of biological data, and was once used as 'a lie detector'. Professor John Baessler of the ...

The Federal Bureau of Investigation (FBI) has found itself embroiled in a rather odd situation involving polygraph tests. In April, it confirmed to NPR that it was using these tests to catch personnel ...

After 45 years, authorities in California were finally able to tell the Gonzalez family who they believe killed their loved one. The Riverside County Sheriff’s Office used DNA and forensic genealogy ...