Incident Summary:

2/22/1970: Karl Armstrong, a member of the New Years Gang, attempted to bomb the Wisconsin Power and Light substation in Prairie du Sac, Wisconsin, United States. Carrying thirteen sticks of dynamite he broke into the substation, but fled the scene when a night security guard arrived unexpectedly. The substation supplied power to the Badger Ammunition Plant.

GTD ID:
197002220002

When:
1970-02-22

Country:
United States

Region:
North America

Province/administrative
region/u.s. state:

Wisconsin

City:
Prairie du Sac

Attack Information
Type of Attack (more) Bombing/Explosion
Successful Attack? (more) No
Target Information (more)
Target Type: Utilities
Name of Entity Wisconsin Power and Light Company
Specific Description Wisconsin Power and Light Company substation, Prairie du Sac
Nationality of Target United States
Additional Information
Hostages No
Ransom No
Property Damage No
Weapon Information
Type Sub-type
Explosives Dynamite/TNT
Weapon Details
Thirteen sticks of dynamite attached to a battery operated device
Additional Information
Suicide Attack?No
Part of Multiple Incident?No
Criterion 1 (more) Yes
Criterion 2 (more) Yes
Criterion 3 (more) Yes
Additional Information The New Years Gang attempted to bomb the Wisconsin Ammunition Plant weeks earlier. (197001050001) Karl Armstrong would be captured after participating in the deadly bombing of Sterling Hall at the University of Wisconsin on August 24, 1970. (197008240001)
Perpetrator Group Information
Group Name Claimed Responsibility
New Year's Gang 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
Tom Bates, "Rads: The 1970 Bombing of the Army Math Research Center at the University of Wisconsin and Its Aftermath," HarperCollinsPublishing, 1992.
David Newman, Sandra Sutherland, and Jon Stewart, "The Madison Bomb Story: The Death the FBI Saw, Heard and Won't Talk About," Mother Jones, February-March, 1979.
The Wisconsin Cartographers' Guild, "Wisconsin's Past and Present: A Historical Atlas," The University of Wisconsin Press, 2002.