Incident Summary:

07/13/2019: An assailant armed with incendiary devices and a firearm attacked the Northwest Detention Center along 1600 East J Street in Tacoma, Washington, United States. The assailant threw incendiary devices at vehicles and attempted to set fire to buildings and a propane tank before being shot and killed by officers at the facility. Willem Van Spronsen, an unaffiliated individual, claimed responsibility for the incident and stated that "detention camps are an abomination."



United States

North America

region/u.s. state:



Location Details:
The incident occurred along East J Street.

Attack Information
Type of Attack (more) Armed Assault
Successful Attack? (more) Yes
Target Information (more)
Target Type: Police
Name of Entity Immigration and Customs Enforcement
Specific Description Northwest Detention Center
Nationality of Target United States
Additional Information
Hostages No
Ransom No
Property Damage Yes
Extent of Property Damage Unknown
Value of Property Damage Unknown
Weapon Information
Type Sub-type
Firearms Automatic Weapon
Incendiary Molotov Cocktail/Petrol Bomb
Incendiary Arson/Fire
Weapon Details
A homemade AR-15 style semi-automatic rifle, Molotov cocktails, and flares were used in the attack.
Additional Information
Suicide Attack?Yes
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
Anti-Fascist Activists Yes (Confirmed: Unknown; Mode: Personal claim)
Perpetrator Statistics
Number of Perpetrators 1
Number of Captured Perpetrators 0
Casualty Information
Total Number of Casualties 1 Fatalities / 0 Injured
Total Number of Fatalities 1
Number of U.S. Fatalities 1
Number of Perpetrator Fatalities 1
Total Number of Injured 0
Number of U.S. Injured 0
Number of Perpetrators Injured 0
"Armed man attacking Tacoma’s ICE detention center killed in officer-involved shooting," Seattle Times, July 13, 2019.
"Antifa praises 'martyr' who tried to firebomb ICE facility — and urges others to take 'direct action',", July 15, 2019.
"Police shoot and kill attacker at immigrant detention center in Tacoma," Tacoma News Tribune, July 13, 2019.