Incident Summary:

4/10/1999: Unknown perpetrators set fire to the Internal Revenue Service Building in Colorado Springs, Colorado, United States. The buildings sustained heavy damages and one firefighter was injured fighting the blaze.

GTD ID:
199904100005

When:
1999-04-10

Country:
United States

Region:
North America

Province/administrative
region/u.s. state:

Colorado

City:
Colorado Springs

Location Details:
1259 Lake Plaza Drive

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 Internal Revenue Service Office, Colorado Springs
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
Incendiary Gasoline or Alcohol
Weapon Details
Accelerant made out of oil or gasoline
Additional Information
Suicide Attack?No
Part of Multiple Incident?No
Criterion 1 (more) Yes
Criterion 2 (more) Yes
Criterion 3 (more) Yes
Doubt Terrorism Proper (more) No
Additional Information Two years earlier, there was another case of arson at the IRS building in Colorado Springs (199705030009). The letters "AAR" or "ARA" were spray-painted on to door of the building, however authorities did not know what these initials stood for. This incident took place six days before taxes were due to be filed.
Perpetrator Group Information
Group Name Claimed Responsibility
Anti-Government Group No
Perpetrator Statistics
Number of Perpetrators Unknown
Number of Captured Perpetrators Unknown
Casualty Information
Total Number of Casualties 0 Fatalities / 1 Injured
Total Number of Fatalities 0
Number of U.S. Fatalities 0
Number of Perpetrator Fatalities 0
Total Number of Injured 1
Number of U.S. Injured 1
Number of Perpetrators Injured 0
Sources
"Arsonist Blamed in IRS Office Fire ATF Investigators Have No Suspects," Denver Post, April 11, 1999.
"Arson Damages IRS Office In Colorado Springs Again," Associated Press, April 11, 1999.
"Agency Opens In Temporary Quarters After Arson Fire," Associated Press, April 12, 1999.