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Text of the page (random words):
welcome to the active attack data explorer active attack data explorer active attack data explorer home active attacks remembrance contact on this page history definitions website guide the alerrt center updates welcome to the active attack data explorer the active attack data is a dataset maintained by the advanced law enforcement rapid response training alerrt center at texas state university the purpose of this website is to make that dataset more accessible to the general public as well as to the entire first responder community using the data we have developed many visualizations that communicate important aspects of the dataset in the hopes that we may better understand these unfortunate events and improve our efforts to prevent them in the future all of the media on this website are easily downloadable and we encourage their use please take some time to learn more about the history and definitions of the active attack data in the sections that follow at the bottom of this page you will also find a guide listing the website s contents for easy navigation history alerrt started collecting data from active shooter events in 2010 to better understand how these attacks unfold and to inform alerrt s curriculum this original dataset focused on events where the attacker used a firearm around 2018 we expanded the definition to include attacks involving any weapon used in an attempt to commit mass murder we started referring to this expanded data as the active attack data alerrt s research ring partnered with the fbi in 2013 to form an active shooter working group since then we have assisted with the fbi s annual reporting of active shooter events the active attack data includes all the fbi documented firearm attacks plus additional non firearm attacks identified by alerrt s research team definitions we define an active attack as follows an active attack occurs when an individual or individuals is actively killing or attempting to kill multiple unrelated people in a public space the key component of this definition is the word actively for an event to qualify as an active attack it must involve an active component this requirement excludes cases where law enforcement is unaware that the attack is happening a good example is a family annihilation in many such events the attacker kills their family in a private home law enforcement often learns of these attacks only after they ve ended too late to intervene and save lives by contrast first responders are typically alerted to an active attack while it is ongoing as you will see in the data half the time the event ends before law enforcement arrives on the scene because the attacker is stopped by civilians or stops themselves e g flees the scene or commits suicide active attacks are not limited to those carried out with firearms instead active attacks encompass events where a firearm knife or even a vehicle serves as the primary weapon any weapon can be used in an active attack as long as the intent is to kill as many people as possible tip for a helpful discussion of the similarities and differences between active attack and other terms commonly misused in the media please refer to this 2022 paper by sandel martaindale journal of mass violence research what are we talking about definitional confusion within active and mass shooting research website guide there are several pages on this website that may be of interest active attacks the active attacks page presents many visualizations created by our team to show different aspects of the data all visualizations are downloadable as png gif mp4 html files the sub pages below organize these visualizations timing a breakdown of active attacks across different time scales including years month of year day of week and hour of day attackers characteristics of the attackers responsible for active attacks including race ethnicity age and weapons used locations topics like the type of location attacked the relationship of the attack to the location and the timing of attacks across location types fatalities the lethality of specific active attacks and changes in fatalities versus attacks over the years across the usa geographic distribution of attacks and fatalities across the usa along with the accumulation of attacks over the years fact sheet answers and statistics to some common questions regarding the alerrt active attack data download the data view and directly download the data underlying all visualizations as a csv file remembrance the remembrance page catalogs all victims who died because of the attacks included in the active attack data contact the contact page provides contact information for members of the research ring at the alerrt center the alerrt center to learn more about the work and research conducted at the alerrt center please visit alerrt org updates 12 04 25 added fact sheet tab and downloadable fact sheet to the active attacks page 08 29 25 changed the section title fatalities to casualities and added information on the number of wounded 08 27 25 gradient color schemes were removed from plots to avoid double encoding of attack counts percentages 06 20 25 disaggregated the business category of the location_primary variable in the downloadable data the original category is now split into three office factory warehouse and retail the codebook has also been updated to reflect the change 06 12 25 update to v2024 data 01 23 25 initial launch of the active attack data explorer v2023 created by the research ring at the alerrt center texas state university