Incident Summary:

09/12/2014: An assailant opened fire at state troopers at the barracks in Blooming Grove, Pennsylvania, United States. One trooper was killed and another was wounded in the attack. A lone individual, Eric Frein, claimed responsibility for the incident. In a letter he wrote to his parents, Frein indicated that he was looking to spark a revolution against the government.



United States

North America

region/u.s. state:


Blooming Grove

Attack Information
Type of Attack (more) Armed Assault
Successful Attack? (more) Yes
Target Information (more)
Target Type: Police
Name of Entity Pennsylvania State Police (PSP)
Specific Description Blooming Grove Barracks
Nationality of Target United States
Additional Information
Hostages No
Ransom No
Property Damage No
Weapon Information
Type Sub-type
Firearms Automatic Weapon
Weapon Details
A Kalashnikov-style rifle was 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
Additional Information The assailant escaped after the incident and was only captured following a large investigation on October 30, 2014.
Perpetrator Group Information
Group Name Claimed Responsibility
Anti-Government extremists Yes (Confirmed: Unknown; Mode: Personal claim)
Perpetrator Statistics
Number of Perpetrators 1
Number of Captured Perpetrators 1
Casualty Information
Total Number of Casualties 1 Fatalities / 1 Injured
Total Number of Fatalities 1
Number of U.S. Fatalities 1
Number of Perpetrator Fatalities 0
Total Number of Injured 1
Number of U.S. Injured 1
Number of Perpetrators Injured 0
"Suspected Pennsylvania cop killer charged with terrorism,", November 14, 2014.
"Pennsylvania governor vows to bring gunman who ambushed troopers to justice," Reuters, September 15, 2014.
"US state trooper dead, one wounded in ambush," Agence France Presse -- English, September 13, 2014.