There is a constitutional right to travel from state to state, and the protections of the Fourteenth Amendment extend to citizens who suffer deprivations of their rights at the hands of a private conspiracy where there is state participation in the conspiracy, no matter how minimal. Decided March 28, 1966 (argued November 9, 1965). Opinion of the Court: Potter Stewart → go there Applied: the Fourteenth Amendment → go there Topic: Freedom of movement. United States v. Guest, 383 U.S. 745 (1966), is a landmark decision of the US Supreme Court authored by Justice Potter Stewart, in which the court extended the protection of the 14th Amendment to citizens who suffer rights deprivations at the hands of private conspiracies, where there is minimal state participation in the conspiracy. The Court also held that there is a Constitutional right to travel from state to state. Wiki link