Why Is It So Hard To Test Whether Drivers Are Stoned?
Blood alcohol levels match well with a person's impairment. But the THC in marijuana doesn't move around the body the same way, so blood tests can miss people who are stoned.
law enforcement
California Cops Frustrated With 'Catch-And-Release' Crime-Fighting
Prosecutors and some police departments in the state say reducing prison sentences is having an undesired outcome: more property crime. But reform advocates say police are jumping to conclusions.
Immigration Relief Possible In Return For Crime Victims' Cooperation
The road to a U visa is long, and difficult to navigate. Proposed rule changes in New York City may streamline the process, and provide a model for other law enforcement agencies around the country.
Along With Assault And Arson, FBI Starts To Track Animal Abuse
The new effort could help save animals — and, perhaps, people: Research shows that animal abuse is often a precursor to acts of violence against people.
Oregon Occupation Sheds Light On Local Frustrations, But Divides Residents
Some in the community of Burns, Ore., welcome the attention on long-running conflict between ranchers and the federal government. Others question the out-of-town militants' tactics and goals.
![Ammon Bundy [center] is one of the occupiers at the Malheur National Wildlife Refuge headquarters near Burns, Ore.](http://wfdd-live.s3.amazonaws.com/images/story/1451961016ap_669671070997_wide-da25324edbd7063ce8554e974370b4b11d31586b-s1000.jpg)
Militants In Oregon Say They'll Leave If Local Community Asks
The anti-federalist occupiers have held part of a federal wildlife refuge since Saturday. They say they speak for two men convicted of arson on federal lands who returned to jail Monday.
Counterterrorism Cops Try To Build Bridges With Muslim Communities
To combat homegrown terrorism, community engagement officers in some cities are building relationships with Muslims. The hope is to increase trust — and the likelihood that threats will be reported.
Police Response To San Bernardino Stokes Militarization Fears
San Bernardino police deployed heavy equipment to Wednesday's mass shooting. Military-style armor and vehicles can make police more secure but raise concerns that cops will become militarized.
Answering The Tough Question Of Who Polices The Police
Police and prosecutors work together — it's the nature of the legal system. That closeness can be problematic when it comes to investigating police misconduct. One idea is to bring in outsiders.
In Los Angeles, Piecing Together The Numbers On Police Shootings
Reliable data has been missing from the national debate. That's changing. An analysis by NPR member station KPCC found that from 2010 to 2014, 375 people were shot — and no officers were prosecuted.