Law Commons^™

Unreasonable Probability Of Error, Jed Handelsman Shugerman

Faculty Scholarship

In Strickland v. Washington, the Supreme Court sought to create a uniform standard to guarantee effective assistance of counsel to criminal defendants, to "ensure a fair trial," and to assure the reliability of "a just result."' Justice O'Connor's majority opinion created a two-pronged test for overturning a trial verdict: deficient performance and resulting prejudice. The Court explicitly established a difficult burden for proving deficient performance,² but set a moderate standard for prejudice as the "reasonable probability that, but for counsel's unprofessional errors, the result of the proceeding would have been different. A reasonable probability is a probability sufficient …