Incident Summary:

1/17/1970: Silas and Judith Bissell placed an explosive device in the vicinity of the Air Force R.O.T.C. at the University of Washington campus in Seattle, Washington, United States. The device was discovered and subsequently disarmed.



United States

North America

region/u.s. state:



Attack Information
Type of Attack (more) Bombing/Explosion
Successful Attack? (more) No
Target Information (more)
Target Type: Military
Name of Entity R.O.T.C.
Specific Description Air Force R.O.T.C. at the University of Washington
Nationality of Target United States
Additional Information
Hostages No
Ransom No
Property Damage No
Weapon Information
Type Sub-type
Explosives Unknown Explosive Type
Additional Information
Suicide Attack?No
Part of Multiple Incident?No
Criterion 1 (more) Yes
Criterion 2 (more) Yes
Criterion 3 (more) Yes
Additional Information Judith and Silas Bissell were both members of Students for a Democratic Society.
Perpetrator Group Information
Group Name Claimed Responsibility
Student Radicals No
Perpetrator Statistics
Number of Perpetrators 2
Number of Captured Perpetrators 2
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
Committee on Government Operations United States Senate, "Riots, Civil, and Criminal Disorders," U.S. Government Printing Office, August 6, 1970.
Christopher Hewitt, "Political Violence and Terrorism in Modern America: A Chronology," Praeger Security International, 2005.
Earl Caldwell, "Fear Grows In Seattle As Police Urge F.B.I. Help On Bombings," New York Times, April 26, 1970.