Is a guilty plea an admission of each and every element required to establish the crime?

"A guilty plea is an admission of each and every element required to establish the offense." United States v. Kidder, 869 F.2d 1328, 1332-33 (9th Cir.1989). The guilty plea acts as an admission that the defendant had the requisite culpable intent. Id.

In deciding a section 2255 motion, a district court is only required to give a claim "careful consideration an plenary processing, including full opportunity for presentation of the relevant facts." Shah v. United States, 878 F.2d 1156, 1159 (9th Cir.) (quotation omitted), cert. denied, 493 U.S. 869 (1989); see also 28 U.S.C. 2255. A district court has the discretion to forgo an evidentiary hearing and rely instead on the record, which may be supplemented by the following: discovery and documentary evidence, the judge's own notes and recollection of the trial, and common sense. Id.