Incident Summary:

5/22/1970: Suspected members of the Black Panthers bombed the Ames Police Headquarters located in the city hall of Ames, Iowa, United States. Ten people were injured and an estimated $50,000 in damage was caused.



United States

North America

region/u.s. state:



Location Details:
Window well on South side of building

Attack Information
Type of Attack (more) Bombing/Explosion
Successful Attack? (more) Yes
Target Information (more)
Target Type: Police
Name of Entity Ames Police Department
Specific Description Police Headquarters, Ames Iowa
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 $50,000.00
Weapon Information
Type Sub-type
Explosives Unknown Explosive Type
Weapon Details
Additional Information
Suicide Attack?No
Part of Multiple Incident?No
Criterion 1 (more) Yes
Criterion 2 (more) Yes
Criterion 3 (more) Yes
Additional Information Earlier in the week, Ames City Hall received a bomb threat. Telephone service in downtown Ames was temporarily put out of service as a result of the blast. On May 5th 1970, a large quantity of dynamite was stolen from Quick Supply, a dynamite supply warehouse in Ankeny Iowa. Police believed that the stolen dynamite was used by the Black Panthers in this attack as well as in four other incidents taking place in Iowa during May and June 1970 (197005130001, 197006130001, 197006210001, and 197006290001).
Perpetrator Group Information
Group Name Claimed Responsibility
Black Panthers (suspected) No
Perpetrator Statistics
Number of Perpetrators Unknown
Number of Captured Perpetrators Unknown
Casualty Information
Total Number of Casualties 0 Fatalities / 10 Injured
Total Number of Fatalities 0
Number of U.S. Fatalities 0
Number of Perpetrator Fatalities 0
Total Number of Injured 10
Number of U.S. Injured 10
Number of Perpetrators Injured 0
Committee on Internal Security House of Representatives, "Black Panther Party, Part 4," U.S. Government Printing Office, October-November, 1970.
"Ames City Hall Bombed," Ames Daily Tribune, May 22, 1970.
"Des Moines Hit By Bomb Blast," Washington Post, June 14, 1970.