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.
From defining an active shooter to improving police training, these 10 questions prepare law enforcement to respond with confidence and clarity
From a very early age, Boston Police Officer Dennis “D.J.” Simmonds wanted to be a hero
A fast, coordinated law enforcement response on the Florida State University campus saved lives — here’s what every officer can learn from the incident
The global campaign trains civilians in tourniquet use, wound packing and more — skills that can mean the difference between life and death before first responders arrive
Troopers, bomb techs, paramedics and FBI agents share how the 1995 Oklahoma City bombing shaped their careers and their lives
A tragedy involving a law enforcement family member demands precise, trauma-informed messaging to preserve trust and prioritize those most impacted
NYPD units from scuba, harbor, aviation and patrol joined FDNY and Port Authority to recover victims after the aircraft fell apart midair
In high-stress situations, maintain radio discipline by knowing what’s important to say right now, what can wait until later and what doesn’t need to be said at all
The case summary underscores the elaborate lengths the shooter took to plan a massacre without provoking interference from mental health providers
More than 300 first responders from 90 agencies braved freezing waters to recover victims after a midair collision involving an American Airlines jet and an Army Black Hawk
The FAA said all 80 passengers and crew were safely evacuated after the plane flipped during landing at Toronto Pearson
The crime scene was severely damaged, making it difficult for Orebro police to determine the total number of victims; police said the suspected shooter is among the dead
This invisible threat could devastate communities — here’s how law enforcement can stay ahead of it
Public safety leaders need to evaluate the impact of executive orders and policy pronouncements on their departments and communities
The attacker fired at New Orleans officers from behind an airbag after crashing into revelers on Bourbon Street; two officers were wounded during the exchange
“We are committed to getting a full and complete picture of...what needs to change so we can prevent this from ever happening again,” Attorney General Liz Murrill said
The man, who posted that he was inspired by the Islamic State group, steered around a police blockade and slammed into revelers before being shot to death by police
Access targeted strategies to mitigate vehicle-borne attacks
A sanitation truck, snow removal equipment or public works vehicle are moveable barriers that can harden mass gatherings from vehicle terror attacks and other threats
As vehicle attacks have increased in recent decades, cities around the world have installed bollards in pedestrian-heavy areas
The suspect opened fire on officers as he exited the truck, NOPD Commissioner Anne Kirkpatrick said; guns and pipe bombs were recovered from the vehicle
Administrators who prohibit their officers from firing at or from a vehicle are tying their hands from possible life-saving solutions
Members of the Border Patrol’s elite tactical team – the U.S. Border Patrol Tactical Unit – responded to the shooting at Robb Elementary in Uvalde, Texas, where they found and killed the gunman
A look back at tragic incidents in the wake of the school shooting in Madison, Wisconsin
Report identifies preventable failures in communication, planning, execution and leadership on and before July 13 incident
The shooter, who was equipped with a gas mask and smoke grenades, set off a fire alarm to draw Marjory Stoneman Douglas High School students out of classrooms
A witness claimed the officer lost control of the motorcycle while attempting a wheelie
A call for enhanced training and innovation to reverse the trend and keep officers safe
Prioritizing patients by injury severity ensures officers can maximize survival rates
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