However, as time went on, the Supreme Court recognized that the Fifth Amendment was an independent source of protection for statements made by criminal defendants in the course of police interrogation. "In "Miranda", we noted that the advent of modern custodial police interrogation brought with it an increased concern about confessions obtained by coercion." Custodial police interrogation by its very nature "isolates and pressures the individual" so that he might eventually be worn down and confess to crimes he did not commit in order to end the ordeal. In "Miranda", the Court had adopted the now-famous four warnings to protect against this particular evil.