In the era of body cameras and cellphones, the act of seeing police do their job is radically altering the public-police relationship, and changing civilian and police behavior and perceptions alike.
In California, officers undergo cultural diversity and discrimination training, which includes understanding the cultural composition of the state and discussing the impact of racial profiling.
The technology has improved police conduct and led to a drop in certain types of cases. But the body cams have added many extra hours of work watching videos for police and public defenders.
While the majority of residents in high-crime, high-poverty areas have a negative view of the police, they're also willing to work with law enforcement to make communities safer.
After years of declining numbers, hate crimes against Asian-Americans and Pacific Islanders are rising exponentially. But good statistics are hard to come by.
Data overwhelmingly confirm that black people are involved in and are victims of police-involved killings at greater proportions than any other racial group in the country. But there's a new twist.
"I'm profoundly sorry," LaGrange Police Chief Louis Dekmar said in a remembrance for Austin Callaway, who was lynched in 1940. Dekmar tells NPR the apology is a step toward mending community trust.
A police officer was killed while pursuing a murder suspect at a Wal-Mart in Orlando, Fla. Then, during the manhunt, a sheriff's deputy riding a motorcycle was hit by a car and killed.
The policy directs federal investigators to document or record an eyewitness's confidence in an identification at the moment of the ID and encourages the use of "blinded" photo arrays of suspects.
The National Law Enforcement Officers Memorial Fund says 64 officers were shot and killed in 2016 — an increase of more than 50 percent over 2015. It's the highest since 2011, when the tally was 73.
Many cops believe they're being targeted. But while more officers were killed in ambushes, statistically it is a small number. Still, as one former cop says, pulling up a spreadsheet doesn't help.
Officers were targeted and killed by gunmen, while police shootings spurred protests nationwide and prompted law enforcement agencies to take a hard look at use-of-force policies.
Law enforcement is scrambling to get ahead of the opioid, which is far more chemically potent than heroin. Most illegal fentanyl is made in China. As soon as one version is outlawed, another pops up.
At the Dakota Access Pipeline site, officers used pepper spray against demonstrators on government land. The protesters say the pipeline would violate sacred Indian lands and could cause pollution.
Law enforcement officers "have been the face of oppression for far too many of our fellow citizens," Terry Cunningham said at the annual meeting of the International Association of Chiefs of Police.
A pilot program could begin early next year. The announcement amplifies FBI Director James Comey's statement that the bureau is setting up a database that can track police killings.
In court documents, 39-year-old Matthew Muller is identified as a former Marine who suffers from bipolar disorder. He is described as a Harvard-educated lawyer who was later disbarred.
The Justice Department estimates more than 60 percent of sexual assaults go unreported. By giving victims options, Det. Carrie Hull is working to change that.
More than 3,000 have been killed in the country's new war on drugs. More than 700,000 have surrendered to police, fearing for their lives. Police say those who surrender and stay clean will be safe.
Los Angeles County sheriff deputies shot unarmed people in cars at least eight times between 2010 and 2014 because they said they feared being run over, an investigation by member station KPCC found.
Omar Mateen did not have illegal drugs or alcohol in his system, according to an autopsy report released by the medical examiner in Orange County, Fla.
Some LGBT activists worry that more police presence won't protect them from vigilante violence — and might actually make these events less safe for the communities they serve.
In the letter, the president mourns the deaths of officers in Dallas and Baton Rouge and thanks all law enforcement officers for their service. "We appreciate it, and we depend on you," he writes.
It's a difficult day for law enforcement officers after the killings of police in Dallas and Baton Rouge, La. For many officers, tensions are high and morale is low.
Three officers were killed and three others injured in a shooting in Baton Rouge, La., on Sunday. The three slain officers and the suspect have been identified. The motive, however, is still unclear.
