David Mathias v. Superintendent Frackville SCI

OPINION OF THE COURT

KRAUSE, Circuit Judge.

Undergirding federal habeas law is an extensive procedural framework that limits when and how a petitioner may raise post-conviction claims for relief and which claims are reviewable in federal court. Concerns of federalism, comity, and finality shape this complex framework and have required us to generate specific rules for when a petitioner’s claim may be adjudicated on the merits. In this appeal brought by the Commonwealth of Pennsylvania from the District Court’s grant of habeas relief on petitioner’s first-degree murder conviction, we must…