Mass Casualty Incidents
The Mass Casualty Incidents topic page provides news, videos and expert columns about dealing with large-scale incidents including terrorist attacks, dirty bombs, natural disasters and more.
Read about an off-duty CBP agent’s heroic actions, police pursuits in Washington state and more from this week’s news
Read about ‘next-level’ drag racing, police leaders’ heartbroken reactions to a mass shooting, and more from this week’s news
Witnessing despicable evil shatters an officer’s assumptions about how the world is supposed to work
The release comes more than a week after police ended their investigation with no motive found
The Department of Homeland Security is accepting applications for the School-Age Trauma Training grant
In late June, the FBI released what it called “Phase Two” of the agency’s ongoing examination of active killer events that took place between 2000 and 2013
A suspect is in custody and being treated for serious injuries
Police say they are closing their investigation without a definitive answer for why the shooter unleashed gunfire onto a concert crowd
The lawsuit alleged police officers didn’t do enough to stop the gunman responsible for the massacre
A well-prepared, aware and empowered community is capable of preventing mass violence and other human-caused disasters
Police say evidence suggests gang violence in the Saturday night shooting of 10 people at a strip mall
More body camera footage shows officers directing concertgoers to safety and searching for what they thought were multiple shooters
Police in the Maryland county where five newspaper employees were killed last month may change the gear and weapons that are used when confronting gunmen
Footage shows officers finding a wounded security guard on the same floor of the hotel where the gunman opened fire
Training not only prepares deputies and other responding officers, but enhances the public’s confidence in LE ability to protect them from any and all threats
The lawsuit alleges deputies were celebrating a detective’s retirement when shots rang out
The lawsuit filed by 15 students alleges that deputies violated the constitutional rights of the survivors of the school massacre by failing to stop the gunman
Sheriff Bob Gualtieri defended a law enforcement official who oversaw the initial response to the shooting
The footage may show what actions deputies took during and shortly after the massacre
Some LEOs and other first responders say the scale, sadness and sometimes sheer gruesomeness of their experiences haunt them
One of the recently released videos from the Oct. 1 attack shows police guarding the audience at an 1,800-seat Cirque du Soleil show
Police said Jarrod Ramos sent three threatening letters on the day of the attack, including one that said he was on his way to the Capital Gazette to “kill as many people” as he could
An officer’s self-described freeze is prompting a review of whether lives could have been saved if officers had acted faster to stop the shooting
The man accused of killing five at a Maryland newspaper was investigated in 2013 for menacing tweets against staff members
Three editors, a reporter and a sales assistant were killed in the Thursday afternoon rampage
The suspect’s rampage at The Capital Gazette followed social media threats directed at the newspaper
The video is a part of the latest release of public records from the mass shooting
FBI study looks at what happened in the lives of shooters before the violence to find behavioral predictors of likely mass killers
Officer Michael Leonard tracked down the gunman, who killed 17 people during the February shooting, about three miles away from the school
The Las Vegas Metropolitan Police Department released 23 videos and 130 audio files, including 911 calls
Officer John Barnes was critically wounded in the May 18 shooting after confronting the gunman
Authorities have said several neighborhood gangs had a dispute, and multiple suspects began shooting at each other
Mercer County Prosecutor Angelo Onofri said “neighborhood beef” is behind the shooting inside the historic Roebling Wire Works Building
