The following excerpt is from U.S. v. Gill, 936 F.2d 580 (9th Cir. 1992):
A convicted defendant was denied effective assistance of counsel in derogation of the sixth amendment if his counsel's performance was so deficient that it prejudiced his defense. Strickland v. Washington, 466 U.S. 668, 687 (1984). The defendant must show "that there is a reasonable probability that, but for counsel's unprofessional errors, the result of the proceeding would have been different." Id. at 694.
The above passage should not be considered legal advice. Reliable answers to complex legal questions require comprehensive research memos. To learn more visit www.alexi.com.