United States v. Kovac, 367 F.3d 1116 (9th Cir. May 12, 2004) (hearsay statement attributed to defendant in state presentence report that describes conduct underlying prior criminal conviction is insufficient to designate defendant a career offender under U.S.S.G. 4B1.1).
http://caselaw.lp.findlaw.com/data2/circs/9th/0310386p.pdf