Incident Summary:

10/28/1986: In a series of seven related attacks carried out jointly by the Macheteros, Organization of Volunteers for the Puerto Rican Revolution, and the Armed Forces of Popular Resistance (FARP), a homemade bomb was discovered at the Army Reserve Recruiting Station in Cayey, Puerto Rico. The device was discovered and subsequently deactivated.



United States

North America

region/u.s. state:

Puerto Rico


Attack Information
Type of Attack (more) Bombing/Explosion
Successful Attack? (more) No
Target Information (more)
Target Type: Military
Name of Entity Army Reserve Recruiting Station
Specific Description Army Reserve Recruiting Station, Cayey, Puerto Rico
Nationality of Target United States
Additional Information
Hostages No
Ransom No
Property Damage No
Weapon Information
Type Sub-type
Explosives Other Explosive Type
Weapon Details
homemade bomb
Additional Information
Suicide Attack?No
Part of Multiple Incident?Yes
Criterion 1 (more) Yes
Criterion 2 (more) Yes
Criterion 3 (more) Yes
Additional Information This is part of a multiple attack with 198610280017, 198610280018, 198610280019, 198610280020, 198610280021, and 198610280023. It is unknown when the bomb was discovered.
Perpetrator Group Information
Group Name Claimed Responsibility
Armed Forces of Popular Resistance (FARP) Yes (Confirmed: Unknown; Mode: Other)
Macheteros Yes (Confirmed: Unknown; Mode: Other)
Organization of Volunteers for the Puerto Rican Revolution Yes (Confirmed: Unknown; Mode: Other)
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
"FBI Analysis of Terrorist Incidents in the United States 1986," Terrorist Research and Analytical Center, Terrorism Section Criminal Investigative Division, FBI, 1986.
Harvey W. Kushner, "Encyclopedia of Terrorism," Sage Publications, 2003.
"Explosions Go Off At Two U.S. Facilities; Bombs Found At Five Sites," Associated Press, October 28, 1986.