Here is the FBI definition of domestic terrorism.

Domestic terrorism" means activities with the following three characteristics:

Involve acts dangerous to human life that violate federal or state law;
Appear intended (i) to intimidate or coerce a civilian population; (ii) to influence the policy of a government by intimidation or coercion; or (iii) to affect the conduct of a government by mass destruction, assassination. or kidnapping; and
Occur primarily within the territorial jurisdiction of the U.S.

https://m.fbi.gov/#https://www.fbi.gov/about-us/investigate/terrorism/terrorism-definition

The media should start calling it what it is.