Incident Summary:

3/31/1970: In a series of related incidents, a letter bomb protesting the draft was sent to Curtis W. Tarr, the head of the Selective Services in Washington D.C., United States. The bomb was intercepted and dismantled.



United States

North America

region/u.s. state:

District of Columbia


Location Details:
Selective Service Mail Room

Attack Information
Type of Attack (more) Bombing/Explosion
Successful Attack? (more) No
Target Information (more)
Target Type: Government (General)
Name of Entity Director of the Selective Services
Specific Description Curtis W. Tarr
Nationality of Target United States
Additional Information
Hostages No
Ransom No
Property Damage No
Weapon Information
Type Sub-type
Explosives Letter Bomb
Weapon Details
The explosives within the letter bomb were strong enough to blow off a persons fingers. The detonator contained a mousetrap which experts believed would not have been powerful enough to trigger the explosive.
Additional Information
Suicide Attack?No
Part of Multiple Incident?No
Criterion 1 (more) Yes
Criterion 2 (more) Yes
Criterion 3 (more) Yes
Additional Information This was part of multiple attacks with incident 197003210001. Both bombs were sent from Seattle and the letter bomb addressed to President Nixon stated that the Selective Service Offices were "next."
Perpetrator Group Information
Group Name Claimed Responsibility
Left-Wing Militants No
Perpetrator Statistics
Number of Perpetrators Unknown
Number of Captured Perpetrators Unknown
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
George Lardner Jr. "Bomb is Sent by Mail to Nixon Over Draft," Washington Post, April 26, 1970.
"New Draft Chief Target of Bomb," Washington Post, April 1, 1970.
"Bomb for White House Found and Deactivated," New York Times, April 24, 1970.