The city's recruitment effort has a very different feel from years past as it tries to attract more diverse candidates. The force is 80 percent white; the population is more than 30 percent black.
The New York Police Department is one of the most sophisticated in the world, with advanced systems for fighting crime. But it's not so good at policing its own officers, criminal justice experts say.
Arrests and ticketing are way down in New York City. Many believe it's a way for officers to show frustration with the mayor. If so, it wouldn't be the first time cops have protested by slowing down.
Everyone knows it's dangerous to drink and drive, but a lot of people still do it. Strict enforcement of traffic laws makes it less likely that people will get behind the wheel when soused.
Doug Williams, one of the country's most vocal critics of the polygraph test, will go on trial in January. For decades, he has helped people "beat" the test by exploiting its shaky science.
Ferguson, Mo., police statistics show the department arrests blacks at a higher rate than it arrests other racial groups. But that disparity is true for police departments across the country.
Remote Alaskan villages are some of the last places in America patrolled by unarmed officers. But an officer's death last year has challenged ideas about policing on the last frontier.
The troopers who police rural Alaska can't do their jobs without a good bush pilot to fly them into remote areas. In Bristol Bay, that pilot is John Bouker.