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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.

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From “armadillos to zombies,” unified command tabletop exercises prepare public safety personnel for real-life mass casualty incidents
A deeper dive into Unified Command and its common terminology, plus best practices
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
Clark County Sheriff Joe Lombardo has said a final report of findings related to the shooting will be released next month
Police arrested Jeremy Webster, 23, hours after the shooting that killed a 13-year-old boy
Progress has been made in developing active shooter protocols since Columbine, but the Pulse attack shows we still haven’t anticipated all the possibilities
The After-Action Review is an extremely effective method of analyzing what occurred and how to improve performance in the future
Members of the association recently gathered in Nashville, Tennessee to consider measures to prevent gun violence in wake of recent mass shootings
Capt. Jan Jordan, who was in charge during the deadly Parkland school shooting, has faced criticism for the agency’s response to the massacre
Some of the surviving victims are filing a lawsuit in federal court, saying the city and police didn’t do enough to try to stop the shooter
Officer John Barnes had been in intensive care since being shot while confronting the gunman who killed 10 at Santa Fe High School last month
Police in Las Vegas released 911 calls and video relating to the deadliest mass shooting in modern U.S. history
A campus security monitor told detectives he saw Nikolas Cruz get out of an Uber with a large bag and make “a beeline” toward the freshman building
The LE response to an active shooter at YouTube’s HQ illustrates why all officers need tactical training