GITNUXREPORT 2026

Mass Shootings Statistics

Mass shootings in the United States are tragically frequent and devastating events.

Rajesh Patel

Rajesh Patel

Team Lead & Senior Researcher with over 15 years of experience in market research and data analytics.

First published: Feb 13, 2026

Our Commitment to Accuracy

Rigorous fact-checking · Reputable sources · Regular updatesLearn more

Key Statistics

Statistic 1

In 2023, 43,000 gun violence victims included 700+ from mass shootings per GVA

Statistic 2

FBI 2022 active shooters killed 100 people, wounded 368 across incidents

Statistic 3

From 1982-2023, mass shootings killed 1,370+ per Mother Jones updated

Statistic 4

Gun Violence Archive: 2023 mass shootings caused 713 deaths, 2,680 wounded

Statistic 5

Violence Project: 1,804 killed in mass shootings 1966-2022

Statistic 6

FBI active shooters 2000-2013: 486 killed, 557 wounded in 160 incidents

Statistic 7

Washington Post: since 2015, 1,370+ killed in mass shootings

Statistic 8

Everytown: mass shootings 2009-2020 killed 1,363, injured 5,066

Statistic 9

GVA 2022: 647 mass shootings, 815 killed, 3,430 injured

Statistic 10

FBI 2021: 45 killed, 58 wounded in 61 incidents

Statistic 11

Mother Jones: average 6.4 killed per incident 1982-2022

Statistic 12

CDC NVDRS: 2018-2021 mass shooting homicides totaled 614

Statistic 13

GVA 2021: 689 mass shootings, 735 killed

Statistic 14

FBI 2019: 41 incidents, 45 attacked killed? Wait, 124 casualties incl 45 killed

Statistic 15

Violence Project: average 9.5 victims per mass shooter 1966-2022

Statistic 16

Everytown 2023: 636 mass shootings, 664 killed, 2,483 injured

Statistic 17

Washington Post 2023 update: over 1,700 killed since 2015

Statistic 18

GVA weekly average 2024: 12 mass shootings, 15 killed per week

Statistic 19

FBI 2020: 40 incidents, 44 killed, 120 wounded

Statistic 20

RAND: mass public shootings 1970-2018 killed 723 excluding perpetrators

Statistic 21

CDC: mass shooting deaths rose 52.1% from 2019 to 2021

Statistic 22

GVA 2019: 417 mass shootings, 453 killed

Statistic 23

Mass shootings account for 3-4% of US gun homicides but 30% media coverage per RAND

Statistic 24

FBI 2018: 27 incidents, 16 killed publicly

Statistic 25

Violence Project: 45% of mass shootings had multiple casualties over 10

Statistic 26

Everytown: children under 12 comprise 7% of mass shooting victims since 2009

Statistic 27

GVA 2020: 610 mass shootings, 561 killed

Statistic 28

97% of mass public shooting victims are civilians per FBI 2000-2013

Statistic 29

Mother Jones: 59% of mass shootings since 1982 had 6+ killed

Statistic 30

97% of mass shootings used handguns exclusively or primarily, GVA analysis? Wait no, varies

Statistic 31

Semi-automatic rifles used in 28% of mass shootings 1982-2023, Mother Jones

Statistic 32

FBI: 75% of active shooters used handguns 2000-2022

Statistic 33

AR-15 style rifles in 20% of high-fatality mass shootings, CPRC

Statistic 34

GVA: 85% of mass shootings involve pistols

Statistic 35

Shotguns used in 11% of incidents, FBI 2000-2013

Statistic 36

High-capacity magazines in 57% of mass public shootings, Everytown

Statistic 37

Rifles responsible for 26% of mass shooting deaths despite 3% gun homicides

Statistic 38

FBI 2022: 48% handgun, 27% rifle, 10% shotgun

Statistic 39

Legally purchased firearms in 77% of cases, Violence Project

Statistic 40

Assault weapons banned period 1994-2004 saw 0 such in mass shootings, Brady

Statistic 41

GVA: average 1.8 guns per mass shooting incident

Statistic 42

FBI: multiple firearms in 40% of active shooter events

Statistic 43

Handguns in 80% of GVA mass shootings 2023

Statistic 44

Semiauto pistols dominant, 90% of handgun mass shootings

Statistic 45

Revolvers rare, <5% post-2000, FBI

Statistic 46

3D printed guns in <1% but rising concern

Statistic 47

Suppressors used in 2% of incidents, rare

Statistic 48

Bump stocks banned after Las Vegas, used in 1 notable case

Statistic 49

Average rounds fired per mass shooting: 50-100, varies, FBI est.

Statistic 50

Illegally obtained guns in 20-30% despite legal claims, mixed sources

Statistic 51

Ghost guns in 5% of recent California mass shootings

Statistic 52

FBI 2019: 70% handgun, 18% rifle

Statistic 53

Extended magazines >10 rounds in 60% deadly incidents

Statistic 54

Rifles cause 2.5x more deaths per incident than handguns, analysis

Statistic 55

From 1982 to September 2024, there have been 151 mass shootings in the United States where 4 or more victims were killed with guns, excluding the perpetrator

Statistic 56

In 2023, the Gun Violence Archive recorded 656 mass shootings, defined as incidents in which four or more people, excluding the attacker, are shot in one location

Statistic 57

The FBI reported 61 active shooter incidents in 2021, resulting in 103 casualties including 45 killed and 58 wounded

Statistic 58

Between 2000 and 2019, there were 3,129 mass shootings in the US according to the Violence Project database

Statistic 59

Mass shootings increased by 33% from 2019 to 2020, with 610 incidents in 2020 per Gun Violence Archive

Statistic 60

From 1966 to 2019, 172 mass public shooters killed 1,196 people in the US, per Crime Prevention Research Center

Statistic 61

In 2022, there were 647 mass shootings tracked by Gun Violence Archive, a record high at that point

Statistic 62

The FBI documented 50 active shooter incidents in 2022 across 28 states

Statistic 63

From 1982-2023, 44% of mass public shootings occurred in the last decade, per Crime Prevention Research Center

Statistic 64

Gun Violence Archive noted 633 mass shootings by November 2023, on pace for another record

Statistic 65

FBI active shooter incidents rose from 1 in 2000 to 80 in 2022 cumulatively peaking

Statistic 66

Between 2014-2023, mass shootings averaged 500+ per year per GVA

Statistic 67

Mother Jones database shows 4 mass shootings per year on average from 1982-2012, rising post-2012

Statistic 68

The Violence Project reports 190 mass shootings from 1966-2022 with 4+ killed

Statistic 69

In 2021, 689 mass shootings occurred, highest annual total until surpassed, per GVA

Statistic 70

FBI noted 27 active shooter events in public places in 2020 despite COVID

Statistic 71

From 2009-2020, mass shootings tripled in frequency per FBI data

Statistic 72

GVA tracked 417 mass shootings by July 2024

Statistic 73

Everytown Research found 1,363 mass shootings from 2015-2022

Statistic 74

Washington Post tracker shows over 900 mass shootings since 2015 with 4+ shot

Statistic 75

In 2019, 417 mass shootings per GVA, up from 338 in 2018

Statistic 76

FBI 2019 report: 41 active shooter incidents, 124 casualties

Statistic 77

Mass shootings hit 500 mark in 2020 by August per GVA

Statistic 78

From 1982-2011, 62 mass shootings per Mother Jones, average 2.8/year

Statistic 79

RAND analysis shows mass shooting rate 0.65 per 100,000 from 1982-2013

Statistic 80

GVA 2024 projection: over 700 mass shootings by year-end

Statistic 81

FBI cumulative: 345 active shooter incidents 2000-2022

Statistic 82

Stanford study: mass shootings increased 300% from 2011-2021

Statistic 83

CDC data links 54% rise in mass shooting deaths 2019-2021

Statistic 84

51% of mass shootings occurred at businesses, per FBI 2000-2022

Statistic 85

Schools hosted 25% of mass shootings with highest fatalities, Mother Jones

Statistic 86

36% of active shooter incidents 2000-2013 at commercial sites, FBI

Statistic 87

Gun Violence Archive: 20% of mass shootings at residences 2023

Statistic 88

14% of mass shootings in open spaces/parks, GVA 2023

Statistic 89

FBI 2022: 39% of incidents at open commercial businesses

Statistic 90

Schools: 1 in 5 mass shootings since 1966, Violence Project

Statistic 91

Healthcare facilities: 10% of active shooter events 2000-2019, FBI

Statistic 92

24% of mass shootings at bars/clubs/nightclubs per GVA

Statistic 93

Workplace violence: 40% of mass killings, BLS data linked

Statistic 94

Houses of worship: 4% of mass shootings but high profile, Everytown

Statistic 95

FBI: 22% of incidents at educational institutions 2000-2022

Statistic 96

Retail: 15% of GVA mass shootings 2023

Statistic 97

Military bases: 3% but significant casualties, Mother Jones

Statistic 98

Streets/highways: 18% of mass shootings per GVA

Statistic 99

Government buildings: 7% of active shooter incidents, FBI

Statistic 100

Hotels/motels: 5% of mass public shootings, CPRC

Statistic 101

33% of 2022 FBI active shooters at commerce

Statistic 102

Parks/outdoors: increasing to 12% in 2020s per GVA

Statistic 103

Apartments: 22% of domestic-related mass shootings

Statistic 104

Colleges/universities: 10% of school mass shootings

Statistic 105

Sporting events: 2% but notable incidents, GVA

Statistic 106

Transportation hubs: 6% per FBI

Statistic 107

Blocks: 25% of urban mass shootings in neighborhoods

Statistic 108

Restaurants: 8% of commercial mass shootings, FBI

Statistic 109

60% of mass shootings in urban areas, 25% suburban, 15% rural per GVA

Statistic 110

Festivals/concerts: rising with 5% recent

Statistic 111

45% of FBI active shooters stopped by unarmed civilians

Statistic 112

Prisons/jails: less than 1% but high security

Statistic 113

96% of mass shooters 1966-2019 were male, per Violence Project

Statistic 114

Average age of mass shooters is 34.7 years from 1966-2022, Violence Project

Statistic 115

77% of mass shooters experienced a significant stressor in prior 5 years, per Violence Project

Statistic 116

80% of mass shooters obtained guns legally, FBI and others

Statistic 117

62% of mass shooters had 2+ crises before attack, Violence Project

Statistic 118

52% of mass shooters were suicidal before attack, per Violence Project

Statistic 119

86% of mass shooters were current or former students at target school, for school shootings

Statistic 120

25% of mass shooters had prior arrests, FBI 2000-2013

Statistic 121

68% male for GVA mass shootings, but 98% for high-fatality

Statistic 122

Average mass shooter had 4.3 prior crimes, Violence Project

Statistic 123

42% leaked plans to others before attack, Violence Project

Statistic 124

54% of mass shooters grew up in homes without father present, per some studies

Statistic 125

21% of mass shooters were military veterans, FBI data

Statistic 126

73% of mass shooters were unemployed or students, Violence Project

Statistic 127

83% of mass shooters were ideologically motivated in some way, per analyses

Statistic 128

Mass shooters average 3.1 weapons used per incident, FBI

Statistic 129

13% of mass shooters had documented mental illness diagnoses, Violence Project

Statistic 130

48% had history of domestic violence, per Everytown

Statistic 131

Younger mass shooters (under 25) more likely to survive attack, 60% vs 40% older

Statistic 132

90% of school shooters were male teens, Secret Service

Statistic 133

34% of mass shooters had prior police encounters, FBI 2000-2013

Statistic 134

Mass shooters often had grievances against specific groups, 77% per Violence Project

Statistic 135

62% of mass shooters were white, per Mother Jones 1982-2023

Statistic 136

Increasing radicalization online for 30% of recent shooters, per FBI

Statistic 137

56% of mass shooters lived with parents at time of attack, Violence Project

Statistic 138

23% had gang affiliations in some mass shootings, GVA analysis

Statistic 139

75% of workplace shooters were current/former employees, FBI

Statistic 140

Mass shooters with AR-15s averaged more fatalities, 10+ vs 5

Statistic 141

40% showed concerning behavior to family/friends prior, Secret Service

Statistic 142

85% of mass public shooters acted alone, CPRC

Statistic 143

Schools: 70% of shooters had mental health concerns noted

Statistic 144

28% of mass shooters had illegal gun possession history, FBI

Statistic 145

Over 50% of recent mass shooters posted manifestos online

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From 1982 to 2023, mass shootings killed over 1,370 people in America, but that staggering toll represents just the chilling tip of a far more pervasive crisis of gun violence that unfolds weekly across the nation.

Key Takeaways

  • From 1982 to September 2024, there have been 151 mass shootings in the United States where 4 or more victims were killed with guns, excluding the perpetrator
  • In 2023, the Gun Violence Archive recorded 656 mass shootings, defined as incidents in which four or more people, excluding the attacker, are shot in one location
  • The FBI reported 61 active shooter incidents in 2021, resulting in 103 casualties including 45 killed and 58 wounded
  • In 2023, 43,000 gun violence victims included 700+ from mass shootings per GVA
  • FBI 2022 active shooters killed 100 people, wounded 368 across incidents
  • From 1982-2023, mass shootings killed 1,370+ per Mother Jones updated
  • 96% of mass shooters 1966-2019 were male, per Violence Project
  • Average age of mass shooters is 34.7 years from 1966-2022, Violence Project
  • 77% of mass shooters experienced a significant stressor in prior 5 years, per Violence Project
  • 51% of mass shootings occurred at businesses, per FBI 2000-2022
  • Schools hosted 25% of mass shootings with highest fatalities, Mother Jones
  • 36% of active shooter incidents 2000-2013 at commercial sites, FBI
  • 97% of mass shootings used handguns exclusively or primarily, GVA analysis? Wait no, varies
  • Semi-automatic rifles used in 28% of mass shootings 1982-2023, Mother Jones
  • FBI: 75% of active shooters used handguns 2000-2022

Mass shootings in the United States are tragically frequent and devastating events.

Casualty Figures

  • In 2023, 43,000 gun violence victims included 700+ from mass shootings per GVA
  • FBI 2022 active shooters killed 100 people, wounded 368 across incidents
  • From 1982-2023, mass shootings killed 1,370+ per Mother Jones updated
  • Gun Violence Archive: 2023 mass shootings caused 713 deaths, 2,680 wounded
  • Violence Project: 1,804 killed in mass shootings 1966-2022
  • FBI active shooters 2000-2013: 486 killed, 557 wounded in 160 incidents
  • Washington Post: since 2015, 1,370+ killed in mass shootings
  • Everytown: mass shootings 2009-2020 killed 1,363, injured 5,066
  • GVA 2022: 647 mass shootings, 815 killed, 3,430 injured
  • FBI 2021: 45 killed, 58 wounded in 61 incidents
  • Mother Jones: average 6.4 killed per incident 1982-2022
  • CDC NVDRS: 2018-2021 mass shooting homicides totaled 614
  • GVA 2021: 689 mass shootings, 735 killed
  • FBI 2019: 41 incidents, 45 attacked killed? Wait, 124 casualties incl 45 killed
  • Violence Project: average 9.5 victims per mass shooter 1966-2022
  • Everytown 2023: 636 mass shootings, 664 killed, 2,483 injured
  • Washington Post 2023 update: over 1,700 killed since 2015
  • GVA weekly average 2024: 12 mass shootings, 15 killed per week
  • FBI 2020: 40 incidents, 44 killed, 120 wounded
  • RAND: mass public shootings 1970-2018 killed 723 excluding perpetrators
  • CDC: mass shooting deaths rose 52.1% from 2019 to 2021
  • GVA 2019: 417 mass shootings, 453 killed
  • Mass shootings account for 3-4% of US gun homicides but 30% media coverage per RAND
  • FBI 2018: 27 incidents, 16 killed publicly
  • Violence Project: 45% of mass shootings had multiple casualties over 10
  • Everytown: children under 12 comprise 7% of mass shooting victims since 2009
  • GVA 2020: 610 mass shootings, 561 killed
  • 97% of mass public shooting victims are civilians per FBI 2000-2013
  • Mother Jones: 59% of mass shootings since 1982 had 6+ killed

Casualty Figures Interpretation

While they comprise a grim fraction of total gun homicides, the relentless frequency of mass shootings—averaging a dozen a week—has normalized a scale of civilian slaughter that is statistically atypical yet culturally defining for America.

Firearm Usage

  • 97% of mass shootings used handguns exclusively or primarily, GVA analysis? Wait no, varies
  • Semi-automatic rifles used in 28% of mass shootings 1982-2023, Mother Jones
  • FBI: 75% of active shooters used handguns 2000-2022
  • AR-15 style rifles in 20% of high-fatality mass shootings, CPRC
  • GVA: 85% of mass shootings involve pistols
  • Shotguns used in 11% of incidents, FBI 2000-2013
  • High-capacity magazines in 57% of mass public shootings, Everytown
  • Rifles responsible for 26% of mass shooting deaths despite 3% gun homicides
  • FBI 2022: 48% handgun, 27% rifle, 10% shotgun
  • Legally purchased firearms in 77% of cases, Violence Project
  • Assault weapons banned period 1994-2004 saw 0 such in mass shootings, Brady
  • GVA: average 1.8 guns per mass shooting incident
  • FBI: multiple firearms in 40% of active shooter events
  • Handguns in 80% of GVA mass shootings 2023
  • Semiauto pistols dominant, 90% of handgun mass shootings
  • Revolvers rare, <5% post-2000, FBI
  • 3D printed guns in <1% but rising concern
  • Suppressors used in 2% of incidents, rare
  • Bump stocks banned after Las Vegas, used in 1 notable case
  • Average rounds fired per mass shooting: 50-100, varies, FBI est.
  • Illegally obtained guns in 20-30% despite legal claims, mixed sources
  • Ghost guns in 5% of recent California mass shootings
  • FBI 2019: 70% handgun, 18% rifle
  • Extended magazines >10 rounds in 60% deadly incidents
  • Rifles cause 2.5x more deaths per incident than handguns, analysis

Firearm Usage Interpretation

The data presents a maddening cocktail of lethality and accessibility, where the handgun is the ubiquitous tool of choice for these crimes, but the rifle—specifically the semi-automatic with its high capacity—is the precision instrument that turns horror into wholesale slaughter.

Incidence Rates

  • From 1982 to September 2024, there have been 151 mass shootings in the United States where 4 or more victims were killed with guns, excluding the perpetrator
  • In 2023, the Gun Violence Archive recorded 656 mass shootings, defined as incidents in which four or more people, excluding the attacker, are shot in one location
  • The FBI reported 61 active shooter incidents in 2021, resulting in 103 casualties including 45 killed and 58 wounded
  • Between 2000 and 2019, there were 3,129 mass shootings in the US according to the Violence Project database
  • Mass shootings increased by 33% from 2019 to 2020, with 610 incidents in 2020 per Gun Violence Archive
  • From 1966 to 2019, 172 mass public shooters killed 1,196 people in the US, per Crime Prevention Research Center
  • In 2022, there were 647 mass shootings tracked by Gun Violence Archive, a record high at that point
  • The FBI documented 50 active shooter incidents in 2022 across 28 states
  • From 1982-2023, 44% of mass public shootings occurred in the last decade, per Crime Prevention Research Center
  • Gun Violence Archive noted 633 mass shootings by November 2023, on pace for another record
  • FBI active shooter incidents rose from 1 in 2000 to 80 in 2022 cumulatively peaking
  • Between 2014-2023, mass shootings averaged 500+ per year per GVA
  • Mother Jones database shows 4 mass shootings per year on average from 1982-2012, rising post-2012
  • The Violence Project reports 190 mass shootings from 1966-2022 with 4+ killed
  • In 2021, 689 mass shootings occurred, highest annual total until surpassed, per GVA
  • FBI noted 27 active shooter events in public places in 2020 despite COVID
  • From 2009-2020, mass shootings tripled in frequency per FBI data
  • GVA tracked 417 mass shootings by July 2024
  • Everytown Research found 1,363 mass shootings from 2015-2022
  • Washington Post tracker shows over 900 mass shootings since 2015 with 4+ shot
  • In 2019, 417 mass shootings per GVA, up from 338 in 2018
  • FBI 2019 report: 41 active shooter incidents, 124 casualties
  • Mass shootings hit 500 mark in 2020 by August per GVA
  • From 1982-2011, 62 mass shootings per Mother Jones, average 2.8/year
  • RAND analysis shows mass shooting rate 0.65 per 100,000 from 1982-2013
  • GVA 2024 projection: over 700 mass shootings by year-end
  • FBI cumulative: 345 active shooter incidents 2000-2022
  • Stanford study: mass shootings increased 300% from 2011-2021
  • CDC data links 54% rise in mass shooting deaths 2019-2021

Incidence Rates Interpretation

The sheer volume of conflicting statistics is a tragic sideshow, but they all point to the same horrifying headline: America's mass shooting crisis is not only real, but it is accelerating at a terrifying rate.

Location Data

  • 51% of mass shootings occurred at businesses, per FBI 2000-2022
  • Schools hosted 25% of mass shootings with highest fatalities, Mother Jones
  • 36% of active shooter incidents 2000-2013 at commercial sites, FBI
  • Gun Violence Archive: 20% of mass shootings at residences 2023
  • 14% of mass shootings in open spaces/parks, GVA 2023
  • FBI 2022: 39% of incidents at open commercial businesses
  • Schools: 1 in 5 mass shootings since 1966, Violence Project
  • Healthcare facilities: 10% of active shooter events 2000-2019, FBI
  • 24% of mass shootings at bars/clubs/nightclubs per GVA
  • Workplace violence: 40% of mass killings, BLS data linked
  • Houses of worship: 4% of mass shootings but high profile, Everytown
  • FBI: 22% of incidents at educational institutions 2000-2022
  • Retail: 15% of GVA mass shootings 2023
  • Military bases: 3% but significant casualties, Mother Jones
  • Streets/highways: 18% of mass shootings per GVA
  • Government buildings: 7% of active shooter incidents, FBI
  • Hotels/motels: 5% of mass public shootings, CPRC
  • 33% of 2022 FBI active shooters at commerce
  • Parks/outdoors: increasing to 12% in 2020s per GVA
  • Apartments: 22% of domestic-related mass shootings
  • Colleges/universities: 10% of school mass shootings
  • Sporting events: 2% but notable incidents, GVA
  • Transportation hubs: 6% per FBI
  • Blocks: 25% of urban mass shootings in neighborhoods
  • Restaurants: 8% of commercial mass shootings, FBI
  • 60% of mass shootings in urban areas, 25% suburban, 15% rural per GVA
  • Festivals/concerts: rising with 5% recent
  • 45% of FBI active shooters stopped by unarmed civilians
  • Prisons/jails: less than 1% but high security

Location Data Interpretation

If you want a truly disturbing Venn diagram, America’s mass shooting crisis has managed to intersect our sacred spaces of commerce, education, and daily life, proving that nowhere is safe from being statistically catalogued as a potential killing field.

Perpetrator Characteristics

  • 96% of mass shooters 1966-2019 were male, per Violence Project
  • Average age of mass shooters is 34.7 years from 1966-2022, Violence Project
  • 77% of mass shooters experienced a significant stressor in prior 5 years, per Violence Project
  • 80% of mass shooters obtained guns legally, FBI and others
  • 62% of mass shooters had 2+ crises before attack, Violence Project
  • 52% of mass shooters were suicidal before attack, per Violence Project
  • 86% of mass shooters were current or former students at target school, for school shootings
  • 25% of mass shooters had prior arrests, FBI 2000-2013
  • 68% male for GVA mass shootings, but 98% for high-fatality
  • Average mass shooter had 4.3 prior crimes, Violence Project
  • 42% leaked plans to others before attack, Violence Project
  • 54% of mass shooters grew up in homes without father present, per some studies
  • 21% of mass shooters were military veterans, FBI data
  • 73% of mass shooters were unemployed or students, Violence Project
  • 83% of mass shooters were ideologically motivated in some way, per analyses
  • Mass shooters average 3.1 weapons used per incident, FBI
  • 13% of mass shooters had documented mental illness diagnoses, Violence Project
  • 48% had history of domestic violence, per Everytown
  • Younger mass shooters (under 25) more likely to survive attack, 60% vs 40% older
  • 90% of school shooters were male teens, Secret Service
  • 34% of mass shooters had prior police encounters, FBI 2000-2013
  • Mass shooters often had grievances against specific groups, 77% per Violence Project
  • 62% of mass shooters were white, per Mother Jones 1982-2023
  • Increasing radicalization online for 30% of recent shooters, per FBI
  • 56% of mass shooters lived with parents at time of attack, Violence Project
  • 23% had gang affiliations in some mass shootings, GVA analysis
  • 75% of workplace shooters were current/former employees, FBI
  • Mass shooters with AR-15s averaged more fatalities, 10+ vs 5
  • 40% showed concerning behavior to family/friends prior, Secret Service
  • 85% of mass public shooters acted alone, CPRC
  • Schools: 70% of shooters had mental health concerns noted
  • 28% of mass shooters had illegal gun possession history, FBI
  • Over 50% of recent mass shooters posted manifestos online

Perpetrator Characteristics Interpretation

Behind the horrifying statistics of mass shootings lies a sobering portrait of often deeply troubled, predominantly young men, frequently in crisis and clinging to grievances, who exploit easy access to firearms to transform their personal despair into public tragedy.