In Louisiana, law enforcement agencies have been accused of targeting Hispanic drivers in traffic stops and identifying them as white on tickets. Misidentification makes it impossible to track racial bias, experts say.
A group that raises money for police officers subjected to investigation or lawsuits is using a simulator program to help outsiders understand the challenges of the job.
Courts have ruled that civilians have a constitutional right to videotape police encounters in public. But civilians are not allowed to interfere with police activity.
Police today are identifying fewer murder suspects than they did a generation ago. One criminologist says that may be because departments are more focused on preventing crimes than on making arrests.
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.
The Pentagon has been transferring mine-resistant, ambush-protected vehicles to local police. Built to protect U.S. forces from roadside bomb blasts at war, these huge vehicles aren't always welcome.
Amid accusations of abuse, many in Ferguson, Mo., and cities around the country are calling for police to wear cameras. Cameras may not always be as impartial as people expect, however.
Across the U.S., jails hold many more people with serious mental illness than state hospitals do. San Antonio is reweaving its safety net for the mentally ill — and saving $10 million annually.