In practice, even a staged traffic-stop demo produced a “fairly normal” report that still needed multiple corrections, while ...

The NFL playoffs are one week away and most of the field is set entering Week 18. Here's what to know about the postseason ...

Adderall, Ritalin and other stimulants prescribed for attention-deficit/hyperactivity disorder seem to work on brain areas ...

Customs agents have broad authority to search the electronic devices of travelers entering and leaving the U.S. Here are tips ...

In a Dec. 26 letter Gov. Greg Gianforte declined to suspend Public Service Commissioner Molnar after his fellow commissioner ...

Lie detector tests are often treated as truth machines, but they’re far from perfect. In this video, we explain how ...

A former FBI leader trashed his successor Dan Bongino as he prepares to depart his post after less than a year on the job.Andrew McCabe, who served in that role for nearly two years at the start of ...

The FBI has begun administering polygraph tests in an effort to identify the source of leaks from within the bureau, the agency said Monday. “We can confirm the FBI has begun administering polygraph ...

Polygraphs are frequently used in criminal investigations, but rarely used in court. How do polygraphs work? The idea behind the polygraph, which was first developed in the ‘20s, is that l ying causes ...

A version of this story appeared in CNN’s What Matters newsletter. To get it in your inbox, sign up for free here. When President Ronald Reagan’s White House threatened thousands of government ...