Incident Summary:

12/7/2011: A letter bomb exploded in the hands of a professor at the Pachuca Polytechnic University in Pachuca in the state of Hildalgo, Mexico. The letter had originally been addressed to a professor who researches nanotechnology. That professor noticed that it was suspiciously heavy and gave it to a faculty member who was part of the security committee. The package exploded in the hands of the second individual, slightly burning his hands. Individuals Tending Toward Savagery claimed responsibility for the attack.




North America

region/u.s. state:



Location Details:
At the Pachuca Polytechnic University

Attack Information
Type of Attack (more) Bombing/Explosion
Successful Attack? (more) Yes
Target Information (more)
Target Type: Educational Institution
Name of Entity Professors
Specific Description The letter was addressed to a professor who researches nanotechnology. It exploded in the hands of a member of the security committee
Nationality of Target Mexico
Additional Information
Hostages No
Ransom No
Property Damage No
Weapon Information
Type Sub-type
Explosives/Bombs/Dynamite Letter Bomb
Weapon Details
No additional information available
Additional Information
Suicide Attack?No
Part of Multiple Incident?No
Criterion 1 (more) Yes
Criterion 2 (more) Yes
Criterion 3 (more) Yes
Doubt Terrorism Proper (more) No
Additional Information This attack is very similar to two attacks that had been claimed by Individuals Tending Toward Savagery.
Perpetrator Group Information
Group Name Claimed Responsibility
Individuals Tending Toward Savagery (suspected) Yes (Confirmed: Unknown)
Perpetrator Statistics
Number of Perpetrators Unknown
Number of Captured Perpetrators 0
Casualty Information
Total Number of Casualties 0 Fatalities / 1 Injured
Total Number of Fatalities 0
Number of U.S. Fatalities 0
Number of Perpetrator Fatalities 0
Total Number of Injured 1
Number of U.S. Injured 0
Number of Perpetrators Injured 0
"Letter bomb slighly wounds Mexican professor," Associated Press, December 8, 2011.
"Letter Bomb, Possibly From Anti-Technology Group, Injures Mexican Professor," The Chronical of Higher Education, December 9, 2011.
Sam Clements, "Mexican Anarcho-Terrorists Are Parcel Bombing Scientists," VICE, March 18, 2013.