Incident Summary:

05/18/2018: An assailant opened fire at Santa Fe High School in Santa Fe, Texas, United States. At least 10 people, including students and teachers, were killed and 14 people, including the assailant, were injured in the attack. Additionally, fake explosive devices were discovered in and around the school. An unaffiliated individual, identified as Dimitrios Pagourtzis, claimed responsibility for the incident. Sources noted that Pagourtzis was interested in Nazism and fascism and had recently posted pictures of German nationalist symbols and a picture of him wearing a T-shirt stating "born to kill" on social media.



United States

North America

region/u.s. state:


Santa Fe

Attack Information
Type of Attack (more) Armed Assault
Successful Attack? (more) Yes
Target Information (more)
Target Type: Educational Institution
Name of Entity Santa Fe High School
Specific Description School
Nationality of Target United States
Additional Information
Hostages No
Ransom No
Property Damage Yes
Extent of Property Damage Minor (likely < $1 million)
Value of Property Damage Unknown
Weapon Information
Type Sub-type
Firearms Handgun
Firearms Rifle/Shotgun (non-automatic)
Fake Weapons
Weapon Details
A .38-caliber revolver, a shotgun, and two inoperable explosive devices, including several carbon dioxide canisters wrapped in duct tape without a detonator and a pressure cooker with an alarm clock and nails but without explosives, were used in the attack.
Additional Information
Suicide Attack?No
Part of Multiple Incident?No
Criterion 1 (more) No
Criterion 2 (more) Yes
Criterion 3 (more) Yes
Doubt Terrorism Proper (more) Yes
Alternate Designation (more) Other Crime Type
Additional Information There is doubt that this incident meets terrorism-related criteria. While the assailant expressed interest in Nazism and fascism, it is unclear that these were his primary motivations for carrying out the attack.The victims included the school resource officer, John Barnes, and students Angelique Ramirez, Jared Black, Cynthia Tisdale, Rome Shubert, Clayton Horn, and Trenton Beazley. Casualty numbers conflict across sources. Following GTD protocol, the majority reliable estimates are reported here.
Perpetrator Group Information
Group Name Claimed Responsibility
Neo-Nazi extremists (suspected) Yes (Confirmed: Unknown; Mode: Personal claim)
Perpetrator Statistics
Number of Perpetrators 1
Number of Captured Perpetrators 1
Casualty Information
Total Number of Casualties 10 Fatalities / 14 Injured
Total Number of Fatalities 10
Number of U.S. Fatalities 10
Number of Perpetrator Fatalities 0
Total Number of Injured 14
Number of U.S. Injured 14
Number of Perpetrators Injured 1
"Another School Shooting: 10 Dead and 10 Wounded in Texas," Sofia News Agency, May 19, 2018.
"Santa Fe shooting: Police say explosive devices found in school and off campus; Officers are working on the scene at a nearby home to secure the devices," The Independent, May 18, 2018.
"Suspect ID'd in deadly Santa Fe High School shooting," CBS News, May 18, 2018.