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.
It’s critical that we ask and answer the questions that arise from this new information
Here’s how first responders deal with such massive operations
Incels have been linked to multiple acts of mass violence over the past few years
Seven years before he went on Friday’s rampage, John Zawahri kept bomb-making materials at his house and threatened students, teachers and campus police officers
The university says state, federal and local law enforcement agencies are investigating
Marcela Franco, 26, died of her injuries sustained at the Santa Monica community college shooting
The “cowardly murderer” planned the attack and was capable of firing 1,300 rounds, said the chief of police
The gunman killed his father and brother, and another man and woman before police killed him
He killed two people in a home then made his way to a college where he kept firing; police killed him in a shootout
Holmes’ lawyers repeatedly have said he is mentally ill, but they delayed the insanity plea while arguing state laws were unconstitutional
Surveillance footage shows the brothers jumping rope with a friend, relaxed, just 3 days before the bombing
Officer Mark Snavely caught the disastrous storm on his dash cam before spending his day looking for survivors
Authorities are working to complete the investigation as quickly as they can but want to make sure they do a thorough and accurate job
Esteban J. Smith died in a gunfight with an agency trooper and a state game warden after shooting 6 people at random
In separate incidents, 6 were killed and 11 were wounded
Two men attacked another man believed to be a soldier near a London military barracks, two suspects were shot by police
Debris was in heaps; it looked like a war zone, said the detective, who is a bomb squad technician
Of the 24 people that have been confirmed dead, 7 are children, and another 120 are being treated at hospitals
Jeremiah Bean was arraigned Thursday on 19 counts, including first-degree murder, arson and burglary
Dzhokhar Tsarnaev wrote that the bombings were collateral damage for the wars on Muslim land
Akein Scott of New Orleans is being sought based on several identifiers from the surveillance footage
Two slain couples were found blocks away from each other, a fifth person was found in a ditch near an infamous brothel
Police have vowed to find the person responsible for the mass shooting
To promote its premiere of the new Iron Man movie, a theater in Jefferson City, Missouri, hired several people to dress in full tactical gear and storm the screening
The drones offer a new tool to campus police to investigate criminal activity and emergency situations
Lawyers for Robel Phillipos are asking a federal judge to release him from jail, saying he had nothing to do with the deadly bombings and isn’t a flight risk
NYC officials say the city should take a roster of steps to handle natural disasters better after Superstorm Sandy, including boats
2 friends removed evidence from Tsarnaev’s room, and a third lied to investigators during questioning
Oolice and fire officials failed to tell each other when and where rescuers were needed following the theater execution
A man vaulted over pews and lashed out at the singers, other churchgoers held the man down until police came
When drones are introduced to the equation, paranoia goes through the roof, even if the crafts are conducting the same missions as police through other means
The CIA made the request to add Tamerlan’s name to the terrorist database per request of the Russian government 18 months before attack
A Watertown resident was shocked when he peered out his window to see the two suspected terrorists the country had been searching for
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