The Legal System Channel features information related to how society deals with crime, criminals and law enforcement. Learn more about how governments operate their legal systems.

Think you're a good liar? A polygraph might disagree. By monitoring a few physiological signs, these machines know if you're being deceptive, even if you don't have a "tell."

More To Explore
You Might Also Like
10 Uses of the Insanity Defense

Societies have used some form of the insanity defense throughout history to protect people who have a mental illness. But it’s not always easy to convince a jury that someone didn’t know right from wrong. Here are 10 of the world’s most notable insanity defenses.

Do countries with stricter gun laws really have less crime or fewer homicides?

Ask a card-carrying member of the NRA and you'll get one answer. Ask a participant in the Million Mom March and you'll get another. Ask us and you'll get the research that underlies this controversial topic.

Don't Miss