Dozens killed in massacre at Thai day care center - The Japan Times
White racist gets life sentence for Buffalo market massacre - WHYY
Dallas Ambush Shooting by Lone Gunman Was 'Well Planned' and 'Thought Out,' Police Say - ABC News
2016 shooting of Dallas police officers - Simple English Wikipedia, the free encyclopedia
Bangkok Post - Former cop kills 37 in massacre
Officer had chance to fire on gunman in Uvalde, Texas, school shooting, new report says | CBC News
Five Dallas Officers Were Killed as Payback, Police Chief Says - The New York Times
May 30, 1937: Memorial Day Massacre - Zinn Education Project
France protests continue over fatal police shooting of North African 17-year-old - JURIST - News
In Mass Shootings, Police Are Trained to 'Confront the Attacker' - The New York Times
In 1968, Three Students Were Killed by Police. Today, Few Remember the Orangeburg Massacre | History| Smithsonian Magazine
Uvalde massacre: School police chief told investigators why he didn't try to stop gunman: 'There's probably going to be some deceased in there, but we don't need any more from out here'
Fatal police shooting of Walter Wallace Jr. prompts heated overnight protests in West Philly
Police Use of Robot to Kill Dallas Suspect Unprecedented, Experts Say | The Texas Tribune
Man shot and killed after scuffle with Alabama elementary school police officer | Alabama | The Guardian
Inside a post-Katrina police massacre | Al Jazeera America
How a Fatal Police Shooting Sparked Protests in France | Best Countries | U.S. News