Whether the Seventh Circuit erred by holding, in conflict with at least four other courts of appeals, that to establish prejudice under Strickland v. Washington, 466 U.S. 668 (1984), a criminal defendant must show that if the evidence tainted by the deficient performance of his defense counsel is ignored, then there would not be substantial evidence to support a conviction

QUESTION PRESENTED Whether the Seventh Circuit erred by holding, in conflict with at least four other courts of appeals, that to establish prejudice under Strickland v. Washington, 466 U.S. 668 (1984), a criminal defendant must show that if the evidence tainted by the deficient performance of his defense counsel is ignored, then there would not be substantial evidence to support a conviction.