Incident Summary:

08/08/2020: An assailant threw explosive devices at protesters in Laurelhurst Park in Portland, Oregon, United States. One device detonated while the other failed to explode and there were no reported casualties in the blast. No group claimed resposnibility for the incident; however, authorities suspected Louis Gerrick Fernbaugh, who denied throwing the explosives but confirmed to sources that he was present and conducting "reconnaissance" on the night of the attack. Sources noted that Ferbaugh has "boasted on social media about infiltrating "ANTIFA."



United States

North America

region/u.s. state:



Location Details:
The incident occurred along SE Cesar E Chavez boulevard.

Attack Information
Type of Attack (more) Bombing/Explosion
Successful Attack? (more) Yes
Target Information (more)
Target Type: Private Citizens & Property
Name of Entity Unknown
Specific Description Protesters
Nationality of Target United States
Additional Information
Hostages No
Ransom No
Property Damage No
Weapon Information
Type Sub-type
Explosives Pipe Bomb
Weapon Details
Three thrown pipe bombs were 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
Perpetrator Group Information
Group Name Claimed Responsibility
Unknown No
Perpetrator Statistics
Number of Perpetrators Unknown
Number of Captured Perpetrators 0
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 helping Portland police investigate after someone threw explosive devices at protesters in Laurelhurst Park," Oregonian, August 19, 2020.
"FBI investigating former Navy SEAL, improvised explosive tossed at Portland protesters," KLCC, August 19, 2020.
"Police name former Navy SEAL a 'person of interest' after bomb thrown at Portland protesters," Task & Purpose, August 13, 2020.