From The Capitalist Conspiracy, written in 1971 by G. Edward Griffin, p. 35:

“If those who seek world dominion can stimulate leftist mobs into violent confrontation with local law enforcement, and also provide exhaustive news coverage so that the entire nation can see and tremble, then the peaceful and freedom loving majority can be programmed to accept a vast expansion of government powers and even a national police force offered supposedly to end the violence.”