( March 12, 2026, 10:52 AM EDT) -- NEW ORLEANS — Applying the collateral order doctrine, the Fifth Circuit U.S. Court of Appeals issued a 2-1 ruling dismissing a habeas corpus petition’s selective prosecution claims and vacating a federal magistrate judge’s order that granted a motion to compel a nonparty district attorney’s office to produce “discovery of charging memoranda for comparator capital murder defendants within a thirty-year span” and allow full access to its prosecutorial file for the case at issue....