Incident Summary:

06/18/2012: An assailant attempted to bomb a natural gas pipeline in Plano, Texas, United States. The assailant was critically injured when the explosive device detonated prematurely. Additionally, the pipeline was also damaged in the blast. No group claimed responsibility; however, sources note that Anson Chi identified as part of the anti-government Sovereign Citizen movement.



United States

North America

region/u.s. state:



Attack Information
Type of Attack (more) Bombing/Explosion
Successful Attack? (more) Yes
Target Information (more)
Target Type: Utilities
Name of Entity Atmos Energy
Specific Description Gas Pipeline
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
Explosives/Bombs/Dynamite Other Explosive Type
Weapon Details
A homemade bomb containing methyl nitrate 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
Perpetrator Group Information
Group Name Claimed Responsibility
Sovereign Citizen No
Perpetrator Statistics
Number of Perpetrators 1
Number of Captured Perpetrators 1
Casualty Information
Total Number of Casualties 0 Fatalities / 1 Injured
Total Number of Fatalities 0
Number of U.S. Fatalities 0
Number of Perpetrator Fatalities 0
Total Number of Injured 1
Number of U.S. Injured 1
Number of Perpetrators Injured 1
"Texas man pleads guilty to trying to blow up natural gas pipeline, possessing homemade bomb," Associated Press Newswires, June 3, 2013.
"Plano Bombing Suspect Takes Plea Deal," NBC Dallas-Fort Worth, June 3, 2013.
"Sovereign Extremist Injured in Texas Bomb Explosion," Forbes, July 3, 2012.