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
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."
"US state trooper dead, one wounded in ambush," Agence France Presse -- English, September 13, 2014."
"Pennsylvania governor vows to bring gunman who ambushed troopers to justice," Reuters, September 15, 2014."