What is the test for cross examination in a criminal case?

most effective way to ascertain truth." Id. at 349. Due process is satisfied by the "time-honored process of cross examination" which is "the device best suited to determine the trustworthiness of testimonial evidence." Id.; see also Faretta v. California, 422 U.S. 806, 818 (1975) ("The rights to notice, confrontation, and compulsory process, when taken together, guarantee that a criminal charge may be answered in a manner now considered fundamental to the fair administration of American justice."