A police officer was rushed to Boston Medical Center on Friday morning after being shot in the leg by a suspected drug dealer.
"This is absolutely one of the scariest things I've ever seen," the police commissioner said.
A man trying to drive away from an early-morning traffic stop in North Carolina shot a police officer several times—and himself—in the process.
The new measure requires certain BB and pellet guns to come with bright markings.
Quintonio Legrier, a 19-year-old black student, was also killed.
Details of when the video would be released were not available.
Tamir Rice died in November 2014 after being shot at a park in Cleveland.
On Friday, the family's attorneys released the reports written by former senior California police officials.
McDonald's killing and the 13-month delay releasing any video taken by dashboard cameras on squad cars at the scene have led to days of demonstrations.
Protests were mostly small and peaceful in the days following the release of video footage showing the fatal shooting of Laquan McDonald.
Chicago Police Officer Jason Van Dyke faces first-degree murder charges in the shooting death of Laquan McDonald.
Officer Jason Van Dyke faces 20 years to life if convicted of first-degree murder.
Many on the right don't want to talk about police misconduct. So they change the subject.
Officials declined on Friday to say exactly when they would make the video public.
The dead man's family said on Thursday he should still face criminal charges.
Whenever there was a cop standing over a corpse, there was Patrick Lynch telling us to move along, nothing to see here.
Norris Greenhouse Jr. and Derrick Stafford were charged with second-degree murder.
"It was the most disturbing thing I've seen," the head of the Louisiana State Police said of body camera footage.
Scott, 50, was shot after fleeing a traffic stop in April.
Officers in states with the highest gun ownership are three times as likely to be killed compared to officers in states with the lowest.
Trooper Joseph Cameron Ponder was killed after the suspect fled a traffic stop.
Investigations by the Bexar County Sheriff's office, Bexar County District Attorney's office, and Federal Bureau of Investigations (FBI) are ongoing.
"It's important to let the investigation go through its course so that we can ensure a thorough and complete review of all that occurred of the evidence and the actions of the officers," Bexar County Sheriff Susan Pamerleau said.
Police later captured the suspect in Sunset, Louisiana a town about 70 miles from Baton Rouge.
A car and buildings were set on fire in St. Louis on Wednesday night, as protesters and police clashed.