Jon Schuppe writes about crime, justice and related matters for NBC News.
The self-imposed moratorium was welcomed by civil rights and privacy advocates ─ but with skepticism.
A fatal police shooting in South Bend, Indiana, was not captured by the officer's body camera, prompting "understandable anger," Mayor Pete Buttigieg said.
"The world should know that what they're doing out here is crazy," said a man who refused to share his passcode with police.
"Our traditional secrecy and lack of transparency has probably come back to haunt us," the president of the National Police Foundation said.
The NYPD is also accused of editing suspects' photos to get results from its facial recognition system, a new report says.
The technology is proliferating amid concerns that it is prone to errors and allows the government to expand surveillance without much oversight.
In mass shootings, good radios can save lives, authorities say.
More criminal defendants are turning to brain science to argue that they shouldn't face harsh punishment.
"You need not suffer this way," the dying man told a friend who also had ALS. "You have a choice."
"The military has always been a good way to sell firearms," a gun-marketing researcher said.