Incident Summary:

3/3/1970: Four left wing radicals set off a dynamite bomb at a post office in Seattle, Washington, United States. There were no casualties but the building and a vehicle were damaged.

GTD ID:
197003030003

When:
1970-03-03

Country:
United States

Region:
North America

Province/administrative
region/u.s. state:

Washington

City:
Seattle

Location Details:
University District

Attack Information
Type of Attack (more) Bombing/Explosion
Successful Attack? (more) Yes
Target Information (more)
Target Type: Government (General)
Name of Entity Post Office
Specific Description Post Office in Seattle's University District
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
Explosives Dynamite/TNT
Weapon Details
Dynamite bomb
Additional Information
Suicide Attack?No
Part of Multiple Incident?No
Criterion 1 (more) Yes
Criterion 2 (more) Yes
Criterion 3 (more) Yes
Additional Information Two of the perpetrators were members of Students for a Democratic Society and the other two perpetrators were known sympathizers of the organization. There is a source claiming that one of the perpetrators of the attack, Jeff Desmond, was actually working for the Federal Bureau of Investigation (See: Dave Dellinger, "More Power Than We Know: The People's Movement Toward Democracy").
Perpetrator Group Information
Group Name Claimed Responsibility
Student Radicals No
Perpetrator Statistics
Number of Perpetrators 4
Number of Captured Perpetrators 4
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
Committee on Government Operations United States Senate, "Riots, Civil, and Criminal Disorders," U.S. Government Printing Office, August 6, 1970.
Earl Caldwell, "Fear Grows In Seattle As Police Urge F.B.I. Help On Bombings," New York Times, April 26, 1970.
Dave Dellinger, "More Power Than We Know: The People's Movement Toward Democracy," Anchor Press/Doubleday, 1975.