Law Enforcement System

The Law Enforcement Channel investigates how law enforcement agencies operate. Find out more about police, SWAT teams and other agencies.


Bounty hunting is a legitimate business and an integral part of the American justice system. Find out how bounty hunting works and follow bounty hunter Bob Burton on the search for a fugitive.

The best form of riot control is prevention: Often, a passive but strong police presence can keep a "gathering" from turning into a "riot." But sometimes, a spark ignites a flame. Learn how police and military forces handle a riot.

K-9 cops can sniff out drugs, bombs and suspects that would leave human cops ransacking entire cities. Plus, a good teeth-baring snarl can stop a suspect in his tracks. Learn all about the K-9 police force.

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."