Law Enforcement System

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


Ending federal pot prohibition could mean big changes and big bucks for states.

If the risk of being hit by a moving vehicle isn't enough to get your eyes off your phone, the threat of a fine may do the trick.

Antarctica belongs to no one nation. So what happens in the event of a crime?

While the press often gets a beating from the public and politicians, journalists have brought to national attention lots of issues that would otherwise remain hidden.

After you get a speeding ticket, you've probably mumbled (after the police officer left, of course) something about being stopped to satisfy a quota. Well, you're probably right. Lots of police departments have speeding ticket quotas.

After you get a speeding ticket, you've probably mumbled (after the police officer left, of course) something about all this being some kind of racket. Well, you're probably right. Many police departments depend on traffic ticket revenue.

Johnny Law has some new flying toys that could come in handy in the fight against crime.

The next time you interact with a police officer, you might be staring at the eye of a video camera. About a third of U.S. police departments (and more internationally) have issued body cameras to their patrol officers. Here's what you need to know.

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?

In Nov. 2012, voters in Colorado and Washington state voted to legalize marijuana, even though use of the drug is illegal under federal law. How will this be resolved and what's happened in previous cases with these kinds of contradictions?

Riots may garner attention for people who feel frustrated and oppressed, but are they really effective? Here, we'll examine how riots work.

In the starkest terms, abuse and addiction cost money. It's expensive to treat and rehabilitate addicts, and it's costly to help the children affected. So, why have efforts to sterilize addicts come under fire?

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?

The word "justice" appears in many of the United States' most important documents, including the Declaration of Independence and the Constitution. But for a word that's used so often, its precise definition is still a topic of debate.

The police department is one of the most important civil services in just about every community. This collection of pictures showcases some of the most important aspects of police departments.

State troopers are associated with highway patrol, but their duties extend past the asphalt. They are involved in everything from highway enforcement to criminal investigations. What else are state troopers involved in?

Even if you've heard the term, you may not know how important habeas corpus is to the U.S. Constitution. How can an ancient Latin phrase for "you have the body" be so relevant today?

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.

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

Sometimes a strange law gets on the record books and just never gets taken off. Learn about 20 silly and unusual U.S. laws that haven't gone away.

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

A SWAT (Special Weapons and Tactics) team is an elite unit within a police force, used for exceptional situations that require increased firepower or specialized tactics. Find out how SWAT team members train, what gear they use and how they conduct raids.

Profiling can be an effective method that is used to capture criminals at large. Learn about the different types of profiling, see how police officers and criminal investigators create and use profiles and explore the controversy surrounding the practice.

Getting someone to confess to a crime is not a simple task. Find out how skilled interrogators can get even the most hardened criminal to 'fess up.

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.