Does the First Amendment bar application of the federal mail and wire fraud statutes, as RICO predicates, to a religious organization's intentional concealment of material historical facts and artifacts, coupled with assurances of institutional honesty, and used to induce money or services, on the ground that such conduct involves "religious history"?

Does the First Amendment bar application of the federal mail and wire fraud statutes, as RICO predicates, to a religious organization's intentional concealment of material historical facts and artifacts, coupled with assurances of institutional honesty, and used to induce money or services, on the ground that such conduct involves 'religious history'?