Comment by MrGilbert

Not sure I understand you correctly, but in the "United States Counterterrorism Strategy 2026", they are explicitly called out as being domestic:

> Additionally, we recognize that a new type of domestic terrorism has emerged, driven by violent extremists who have adopted ideologies antithetical to freedom and the American way of life.

Source: https://www.whitehouse.gov/wp-content/uploads/2026/05/2026-U...