Incident Summary:

02/18/2010: On Thursday, in Austin, Texas, United States, Joseph Stack flew his private plane into the Internal Revenue Service building, igniting a fire throughout the seven-story building. He had problems with the IRS in the past and believed "violence was the only answer." Stack died on impact. Several workers were wounded and one was killed. The building was destroyed.



United States

North America

region/u.s. state:



Attack Information
Type of Attack (more) Facility/Infrastructure Attack
Successful Attack? (more) Yes
Target Information (more)
Target Type: Government (General)
Name of Entity Internal Revenue Service
Specific Description The target was the Internal Revenue Service building.
Nationality of Target United States
Additional Information
Hostages No
Ransom No
Property Damage Yes
Extent of Property Damage Major (likely > $1 million but < $1 billion)
Value of Property Damage Unknown
Weapon Information
Type Sub-type
Vehicle (not to include vehicle-borne explosives, i.e., car or truck bombs)
Weapon Details
A private plane was used as a missile in the attack.
Additional Information
Suicide Attack?Yes
Part of Multiple Incident?No
Criterion 1 (more) Yes
Criterion 2 (more) Yes
Criterion 3 (more) Yes
Doubt Terrorism Proper (more) No
Perpetrator Group Information
Group Name Claimed Responsibility
Anti-Government extremists No
Perpetrator Statistics
Number of Perpetrators 1
Number of Captured Perpetrators 0
Casualty Information
Total Number of Casualties 2 Fatalities / 15 Injured
Total Number of Fatalities 2
Number of U.S. Fatalities 2
Number of Perpetrator Fatalities 1
Total Number of Injured 15
Number of U.S. Injured 15
Number of Perpetrators Injured 0
Fox News, "Pilot Crashers into Texas Building in Apparent Anti-IRS Suicide,",2933,586581,00.html (February 18, 2010.)
Associated Press, "Crews Find Body in Building Where Plane Crashed," LexisNexis Academic, Associated Press, February 19, 2010.
Xinhua News Agency, "Austin Small Plance Crash Not Act of Terrorism," LexisNexis Academic, Xinhua News Agency, February 18, 2010.