WordNet
state-sponsored terrorism
n. terrorism practiced by a government against its own people or in support of international terrorism
Wikipedia
State-sponsored terrorism
State-sponsored terrorism is government support of violent non-state actors engaged in terrorism. Because of the pejorative nature of the word, the identification of particular examples are usually subject to political dispute (see Definitions of terrorism).
Usage examples of "state-sponsored terrorism".
They had prevented state-sponsored terrorism at its most frightening, given the state that did the sponsoring.
As President, I am resolved to carry the fight to the enemy as we would carry it to any other originator of state-sponsored terrorism.