United States v. Supreme Court of New Mexico

HOLMES, Circuit Judge.

New Mexico Rule of Professional Conduct 16-308(E) (“Rule 16-308(E)”) prohibits a prosecutor from subpoenaing a lawyer to present evidence about a past or present client in a grand-jury or other criminal proceeding unless such evidence is “essential” and “there is no other feasible alternative to obtain the information.” In a lawsuit brought against the New Mexico Supreme Court, and the state’s Disciplinary Board and Office of Disciplinary Counsel (“Defendants”), the United States claims that the enforcement of this rule against federal prosecutors licensed in New Mexico…