Incident Summary:

06/17/2019: An assailant opened fire on the Earle Cabell Federal Building and Courthouse in Dallas, Texas, United States. Police officers responded to the assault and killed the assailant. The assailant was identified as Bryan Isaack Clyde and sources noted that he had posted several anti-government and incel-related memes on social media in the weeks and months leading up to the attack.



United States

North America

region/u.s. state:



Location Details:
The incident occurred at 1100 Commerce Street.

Attack Information
Type of Attack (more) Armed Assault
Successful Attack? (more) Yes
Target Information (more)
Target Type: Government (General)
Name of Entity Earle Cabell Federal Building and Courthouse
Specific Description Courthouse
Nationality of Target United States
Additional Information
Hostages No
Ransom No
Property Damage Yes
Extent of Property Damage Minor (likely < $1 million)
Value of Property Damage Unknown
Weapon Information
Type Sub-type
Firearms Automatic Weapon
Weapon Details
An AR-15 style semi-automatic 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) Yes
Alternate Designation (more) Lack of Intentionality
Additional Information There is doubt this incident meets terrorism-related criteria. The family of the assailant said that Clyde wanted to commit suicide by cop and had a history of depression.
Perpetrator Group Information
Group Name Claimed Responsibility
Anti-Government extremists No
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
"Team Coverage On Shooting At Downtown Dallas Federal Building Monday Morning," Yahoo! News, June 17, 2019.