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

Why are eyewitnesses unreliable?

Eyewitness testimony can play a big part in a criminal trial. The problem is that eyewitness accounts aren't always accurate. What makes them so faulty?

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  • Can an MRI machine also act as a lie detector?

    Can an MRI machine also act as a lie detector?

    It's possible that an MRI lie detector could detect truthfulness more accurately than a polygraph machine. How would it work? See more »

  • How Bounty Hunting Works

    How Bounty Hunting Works

    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. See more »

  • How Hostage Negotiation Works

    How Hostage Negotiation Works

    A hostage situation places innocent civilians directly in harm's way, and armed intervention places the hostages at even greater risk. Learn how a skilled negotiator uses psychology, instinct and deception to achieve a peaceful end. See more »

  • How Interpol Works

    How Interpol Works

    Interpol is an international police agency that tracks criminals across national borders. Lean about Interpol and find out how Interpol is organized. See more »

  • How Lie Detectors Work

    How Lie Detectors Work

    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." See more »

  • How Miranda Rights Work

    How Miranda Rights Work

    Any viewer of a TV cop show knows the Miranda rights. They include the rights to remain silent, to have an attorney and so on. Why are they called the Miranda rights, and why must U.S. police recite them to arrestees? See more »

  • How much do you know about famous riots?

    How much do you know about famous riots?

    Sure, you've never thrown a brick through a window or knocked over a car, but you just might be an expert on riots. That's because world history is full of these notable events, in which people turn their rage and angst about the world into violence. Find out how much you know about the details of some of the most famous riots of the past with this quiz. See more »

  • How Police Academies Work

    How Police Academies Work

    Standard training at your neighborhood police academy: Spritz each recruit in the face with pepper spray. Think you can take it? Maybe you're cut out for the force. See more »

  • How Police Chases Work

    How Police Chases Work

    Police chases may seem glamorous on TV, but in real-life they are actually highly regulated by law enforcement codes of conduct. Find out how officers decide whether to commit to a chase, who is liable if a bystander is injured and what else they do. See more »

  • How Police Dogs Work

    How Police Dogs Work

    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. See more »

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