The following excerpt is from Jamison v. Lewis, 29 F.3d 632 (9th Cir. 1994):
In order to prevail on an allegation that defense counsel conducted an insufficient investigation resulting in ineffective assistance, the petitioner must show specifically what that investigation would have produced. United States v. Grewal, 825 F.2d 220, 223 (9th Cir.1987); United States v. Hamilton, 792 F.2d 837, 839 (9th Cir.1986).
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