Incident Summary:

03/31/1998: The Macheteros claimed responsibility for a firebombing at a superaqueduct construction project in Arecibo, Puerto Rico. The Macheteros took responsibility for the incident and stated that the bombing signaled the beginning of a series of attacks in defense of Puerto Rico and its natural resources from the Government of Puerto Rico. The explosion caused significant damage to the project but caused no injuries.



United States

North America

region/u.s. state:

Puerto Rico


Attack Information
Type of Attack (more) Facility/Infrastructure Attack
Successful Attack? (more) Yes
Target Information (more)
Target Type: Food or Water Supply
Name of Entity Water Utilities
Specific Description An aqueduct construction project in Arecibo
Nationality of Target United States
Additional Information
Hostages No
Ransom No
Property Damage Yes
Extent of Property Damage Major (likely > $1 million but < $1 billion)
Value of Property Damage Unknown
Weapon Information
Type Sub-type
Incendiary Molotov Cocktail/Petrol Bomb
Weapon Details
Firebombs were used in the attack.
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
Perpetrator Group Information
Group Name Claimed Responsibility
Macheteros Yes (Confirmed: Unknown; Mode: Letter)
Perpetrator Statistics
Number of Perpetrators Unknown
Number of Captured Perpetrators 0
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
FBI "Terrorism in the United States 1998". Counterterrorism Threat Assessment and Warning Unit, Counterterrorism Division. U.S. Department of Justice, Federal Bureau of Investigation.
"FBI raises reward for Puerto Rican guerrilla leader," The Associated Press, January 15, 1999.