Incident Summary:

02/03/2020: An assailant armed with a knife attacked gendarmes at a barracks in Dieuze, Grand-Est, France. At least one gendarme was injured and the assailant was shot and injured in the incident. In a call to the police prior to the attack, the incident was claimed to have been carried out in the name of the Islamic State of Iraq and the Levant (ISIL). After the attack it was also discovered that the assailant, identified as Mattias R., had enlisted in the military two months prior.




Western Europe

region/u.s. state:



Attack Information
Type of Attack (more) Armed Assault
Successful Attack? (more) Yes
Target Information (more)
Target Type: Police
Name of Entity French Police
Specific Description Gendarmes
Nationality of Target France
Additional Information
Hostages No
Ransom No
Property Damage No
Weapon Information
Type Sub-type
Melee Knife or Other Sharp Object
Weapon Details
A knife was used in the attack.
Additional Information
Suicide Attack?No
Part of Multiple Incident?No
Criterion 1 (more) No
Criterion 2 (more) Yes
Criterion 3 (more) Yes
Doubt Terrorism Proper (more) Yes
Alternate Designation (more) Other Crime Type
Additional Information There is doubt that this incident meets terrorism-related criteria. The attack may have been the result of the assailant attempting to commit suicide-by-cop and law enforcement doubted the assailant had been radicalized.
Perpetrator Group Information
Group Name Claimed Responsibility
Jihadi-inspired extremists Yes (Confirmed: Unknown; Mode: Call (pre-incident))
Perpetrator Statistics
Number of Perpetrators 1
Number of Captured Perpetrators 1
Casualty Information
Total Number of Casualties 0 Fatalities / 2 Injured
Total Number of Fatalities 0
Number of U.S. Fatalities 0
Number of Perpetrator Fatalities 0
Total Number of Injured 2
Number of U.S. Injured 0
Number of Perpetrators Injured 1
"French Barracks Attacker Was a Trainee Soldier," New York Times, February 4, 2020.
"Army recruit ‘inspired by Isis’ attacks police barracks in France,", February 5, 2020.
"French police shoot barracks intruder following attack warning," Reuters UK, February 3, 2020.