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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.

We must energize and educate the public on how they can prevent these shootings by watching for certain common behaviors these killers exhibit
The Trump rally shooting demonstrated commendable actions like quick thinking by citizens, as well as shortcomings such as poor site selection and training gaps
The death of a firefighter attendee and the wounding of three others, including former President Trump, is a tragic reminder of gunshot wound assessment and treatment challenges
Police say the two suspects are brothers. One of them was hospitalized with serious injuries
Police Chief Kathy Lester pleaded with the public to share videos and other evidence that could lead to the suspects
Police were searching for at least one suspect after an early morning shooting downtown
Search of the scene hadn’t been completed because of vehicles still burning
George Santayana’s adage that, “Those who cannot remember the past are condemned to repeat it” certainly applies to police response to mass casualty incidents
Boulder Police say the year since Talley’s death has been “a very challenging” one for the department
LEOs rank among the highest number of “struck-by” fatalities of any responders. Could helmets be one answer to this safety crisis?
Police said one person was in custody and authorities were searching for other potential suspects
Investigators said some of the incident could have been “random”
Two people at a party got into an altercation prior to the shooting, police said
Months before killing six students, a 15-year-old gunman went to his parents for help but was rebuffed, investigators said
The incident began with a confrontation between armed protesters and an armed homeowner, police said
One person died and four others were wounded after a man opened fire on a Greyhound bus, police said
Classes were held remotely Tuesday after a former lecturer sent a video referencing a mass shooting to members of the philosophy department
Videos from multiple officers show the horror and chaos on the night that left a dozen dead, including Sgt. Ronald Helus
Rallies that began as a protest of fuel prices have morphed to reflect discontent with the ruling party
The eight-member team will look at ways to improve school safety and student mental health
Police Agent Ashley Ferris, who is expected to survive, was commended for her bravery
Years before the deadly attack, the gunman self-published novels that named two of his victims
From the tantalizing to the practical, these must-listens have something for everyone
A shooting spree across two cities left five people dead, including the gunman
The suspect wounded at least 3 others, including a Lakewood police officer who required surgery
Medical examiners in Houston had to wait weeks following the Nov. 5 concert by rapper Travis Scott for additional test results before making final determinations
A vague and sinister threat that went viral is not credible so far, police say
“The security officers don’t have handcuffs, mace or a weapon,” said one board member. “We don’t have enough of actual police officers”
A string of recent threats across multiple school districts has parents, students and teachers on edge
About 50 people were gathered when someone drove by and opened fire
The search will continue for several days but authorities don’t expect to find more survivors, officials said
The storm system tore through multiple states Friday night