"Firearms-related fatalities were the leading cause of officer deaths, with 52 officers shot and killed in 2018," the National Law Enforcement Officers Memorial Fund says.
Thurman Blevins was killed on June 23 by two police officers. On Monday, the district attorney said there was "no basis to issue criminal charges" against them for shooting the armed suspect.
After Stephon Clark's death in Sacramento, many people are wondering whether anything has really changed in the way police use deadly force since Michael Brown was shot and killed in Ferguson, Mo.
After two weeks of protests following the killing of Stephon Clark, there have been just two arrests and little if any violence. It's a deliberate effort from both sides to keep the peace.
Small police departments struggling with high crime and low budgets tend to pay fast-food wages, may employ officers with troubled pasts and can miss out on opportunities to learn from mistakes.
More police have been killed on the job in 2017 than at the same time last year. Seven of the 67 police fatalities so far this year, have been in New York.
Many Americans believe that convictions of law enforcement officers for shooting someone while on duty are too rare. But experts say jurors are hesitant to convict cops for making mistakes on the job.
Two Seattle police officers shot and killed Charleena Lyles on Sunday. Her family is accusing the officers of not doing enough to de-escalate an encounter with a person known to have mental problems.