Attorney Ben Crump (from left) Tyre Nichols' mother, RowVaughn Wells, and stepfather, Rodney Wells, exit the courthouse in Memphis after five former Memphis police officers pleaded not guilty Friday to second-degree murder and other charges in Nichols' death. Adrian Sainz/AP hide caption
In this image taken from Windsor, Va., police body camera footage, Lt. Caron Nazario is helped by an EMT after he was pepper-sprayed by Windsor police during a traffic stop in Windsor, on Dec. 20, 2020. AP hide caption
Speaker of the House Nancy Pelosi of Calif., applauds U.S. Capitol Police Chief J. Thomas Manger, during a Congressional Gold Medal ceremony honoring law enforcement officers who defended the U.S. Capitol on Jan. 6, 2021. Alex Brandon/AP hide caption
New Orleans Police Superintendent Shaun Ferguson talks to reporters outside the federal courthouse in New Orleans on Aug. 17, 2022. Hoping to beef up a dwindling police force amid a rise in violent crime, New Orleans officials announced a three-year $80 million plan Thursday, Sept. 8, 2022, offering raises for all officers, free health care and $30,000 in incentive payments for new hires. Kevin McGill/AP hide caption
The Minneapolis Police Department has been under increased scrutiny by residents and elected officials after the murder of George Floyd in police custody last year. Stephen Maturen/Getty Images hide caption
Critics say American officers should be trained in defensive tactics, especially empty-hand techniques, so that they depend less on tasers and guns. Images by Steve Skinner Photogra/Getty Images hide caption
Minneapolis Mayor Jacob Frey was met with boos from protestors in his city last summer after saying he didn't support abolishing the police. Stephen Maturen/Getty Images hide caption
Health care workers walk out of a King Soopers grocery store after a gunman opened fire Monday in Boulder, Colo. Chet Strange/Getty Images hide caption
A frame from a Rochester Police Department body-camera video shows a girl in handcuffs in the back of a police cruiser. Rochester Police-YouTube/Screenshot by NPR hide caption
A frame from a Rochester Police Department body-camera video shows a girl in handcuffs in the back of a police cruiser. Rochester Police-YouTube/Screenshot by NPR hide caption
Demonstrators hold placards reading "BLACK LIVES MATTER," "Walter Wallace JR." and DEFUND PPD" as they gather in protest near the location where Wallace, a 27-year-old Black man, was killed by two police officers in Philadelphia. Police officers said he was armed with a knife. Mark Makela/Getty Images hide caption
Jeffery Ryans, who sustained multiple dog bites, is shown here discussing his encounter with Salt Lake City police at his attorney's office in Salt Lake City. Leah Hogsten/The Salt Lake Tribune via AP hide caption
Elders stand on the front line in a march for Daniel Prude on Sunday in Rochester, N.Y. Prude died in March a week after police pinned him to the ground. It was the fifth consecutive night of protesting since the release of police body-camera footage of Prude's arrest. Michael M. Santiago/Getty Images hide caption
A masked protester kneels before San Jose police in San Jose, Calif. last month. Four officers have been placed on administrative leave after allegations that they posted racist and anti-Muslim messages to social media. Ben Margot/AP hide caption