Incident Summary:

3/3/1986: Dean Harvey Hicks, the sole member of Up the IRS, Inc, was suspected of placing four pipe bombs outside an unoccupied Internal Revenue Service office in Culver City, California, United States. The bombs were discovered and subsequently defused.

GTD ID:
198603030007

When:
1986-03-03

Country:
United States

Region:
North America

Province/administrative
region/u.s. state:

California

City:
Culver City

Location Details:
6071 Slauson Ave.

Attack Information
Type of Attack (more) Bombing/Explosion
Successful Attack? (more) No
Target Information (more)
Target Type: Government (General)
Name of Entity Internal Revenue Service
Specific Description Internal Revenue Service offices, Culver City California
Nationality of Target United States
Additional Information
Hostages No
Ransom No
Property Damage No
Weapon Information
Type Sub-type
Explosives Pipe Bomb
Weapon Details
Four pipe bombs
Additional Information
Suicide Attack?No
Part of Multiple Incident?No
Criterion 1 (more) Yes
Criterion 2 (more) Yes
Criterion 3 (more) Yes
Additional Information A window at the facility was shattered on the same day, but it is not believed to be related to this incident. Reports conflict as to whether Dean Harvey Hicks confessed to this incident in 1991. In 1981, the Culver City IRS offices assessed a substantial penalty to Hicks for faulty tax returns.
Perpetrator Group Information
Group Name Claimed Responsibility
Up the IRS, Inc (suspected) No
Perpetrator Statistics
Number of Perpetrators 1
Number of Captured Perpetrators 1
Casualty Information
Total Number of Casualties 0 Fatalities / 0 Injured
Total Number of Fatalities 0
Number of U.S. Fatalities 0
Number of Perpetrator Fatalities 0
Total Number of Injured 0
Number of U.S. Injured 0
Number of Perpetrators Injured 0
Sources
Brent L. Smith and Kelly R. Damphousse, "Pre-Incident Indicators of Terrorist Incidents; The Identification of Behavioral, Geographic, and Temporal Patterns of Preparatory Conduct," United States Department of Justice, May 2006.
"Pipe Bombs Found at IRS Office," Los Angeles Times, March 6, 1986.
Ronald L. Soble, "Costa Mesa Man Admits 8 IRS Bombings Investigation," Los Angeles Times, July 12, 1991.