John Paul Stevens,
Murray v. Giarratano — Dissenting Opinion
“ State postconviction proceedings also are the cornerstone for all subsequent attempts to obtain collateral relief. Once a Virginia court determines that a claim is procedurally barred, a federal court may not review it unless the defendant can make one of two difficult showings: that there was both cause for the default and resultant prejudice, or that failure to review will cause a fundamental miscarriage of justice. ”
