Evidence of the beliefs or opinions of a witness on matters of religion is not admissible for the purpose of showing that by reason of their nature the witness's credibility is impaired or enhanced, except that such evidence may be admissible to show interest or bias.
Md. R. Evid. 5-610
This Rule is derived from F.R.Ev. 610 as it has been interpreted in the Advisory Committee Note to that Rule and by the Federal Courts. Cf. United States v. Hoffman, 806 F.2d 703 (7th Cir.1986), cert. denied, 481 U.S. 1005 (1987); U.S. v. Teicher, 987 F.2d 112 (2nd Cir.1993).