Crime & Crime Prevention

Crime and Crime Prevention is a challenge for every government and society. Learn more about how governments deal with crime, criminals and crime prevention.


Baseball, taxes and unconscionable acts of mass violence. That's what April has been all about in recent decades. Are there really more acts of terrorism in April and if so, why?

The hunt for the brothers Tsarnaev may have been the most intense one that Boston has seen in a long time, but law enforcement agencies have been practicing the art of getting their man (or woman) for centuries.

Sometimes the search for a fugitive can occupy a city. Other times, the hunt is fierce enough to dominate a nation, or even several countries. Which criminals can claim they spurred some of the craziest manhunts ever?

The Brady bill of 1993 established mandatory background checks for firearms purchases. But that only applies to Federal Firearms Licensees, not to private sellers. What's involved in a background check – and would expanding them lessen gun crime?

You've heard the stat reported by the Mother Jones team: Since 1982, there have been 62 mass shootings in America, crimes like the one that James Holmes is accused of. Only one of those shootings was carried out by a woman. Why?

Most people sentenced to death in the U.S. get at least one stay of execution. In one case, the stay came a minute too late because of a misdialed phone number. Here are 10 of the most unusual cases.

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.

It's a pretty straightforward question with an obvious answer, right? Well, yes, until you start peering at both federal and state laws. That's when things start to get interesting.

Several recent high-profile mass killings in the U.S. have stepped up the very heated gun control debate. With so many studies and arguments out there, we inject some impartial facts in the gun control debate.

Copycat crimes aren't a 21st-century phenomena. Some of the first ones were documented during the late 19th century, when cases like Jack the Ripper held the world's attention. What's new is the inordinate media attention. Does it change the game?

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.

The terror network responsible for 9/11 has been around for decades, but it underwent a rapid transition after the death of its original leader, Osama bin Laden. What does the third act look like for al-Qaida?

Dive into the darkest corners of the world’s aging legislation and you’ll find statutes that will puzzle even the most lawful citizen. Case in point: prohibiting pretzels with beer.

The terrorist attacks of Sept. 11, 2001, had a profound effect on the United States -- and the world. Trace the progression of events in this timeline.

Drugs are serious business, especially in Mexico. In fact, Mexican cartels have gone to great lengths to protect their turf, building Mad Max-style armored vehicles. What's the deal with these so-called narco tanks?

The confusion and terror following the Sept. 11 attacks on the World Trade Center left many searching for answers. Some conspiracy theorists point to conflicting reports and murky political agendas in their alternative versions of the event.

The events of Sept. 11, 2001, left America and much of the world wondering who could have been responsible for the devastating attacks. Who exactly hijacked and flew the planes, and how did they get involved with the plot?

If Abraham Lincoln ended slavery in the United States, why is so much money still being made to sell others into bondage? Here, we'll examine how human trafficking works.

Police sketches may be a routine part of law enforcement investigations, but they've been key to solving some extraordinary cases. How do forensic artists create these renderings, and how reliable are they, really? Find out in How Police Sketches Work.

In murder-mystery TV shows, detectives look for clues to find the killer. Part of that involves getting into the murderer's mind-set. What factors make it easier for one person to take the life of another?

Terrorists work very hard to remain undetected. After all, if we knew where they were, we could stop them from attacking. But they usually work in small groups, or even alone. How do law enforcement officials track them down?

The media saturates us with stories of violence, but most people leave them on the page or screen. So what made these copycat killers act out?

Public enemies threaten the well-being of the populace, committing serial murders, genocide or financial piracy. What 10 public enemies make our list?

The bad, the worse and the worst. You name 'em, we've caught 'em. Check out some of the most notorious criminals in U.S. history, from gangsters to con men to bandits in love.

The fight against illegal drugs is a constant thorn in the side of just about every police department in the country. This gallery features pictures of some controlled substances.