P.

DISCUSSION

Defendant appeals. We appointed counsel to represent defendant on appeal. Counsel filed an opening brief that sets forth the facts of the case and requests this court to review the record and determine whether there are any arguable issues on appeal. (Wende, supra, 25 Cal.3d 436.) Defendant was advised by counsel of the right to file a supplemental brief within 30 days of the date of filing of the opening brief. Supplemental Brief

Defendant filed a supplemental brief stating in relevant part: “I don[’]t know what I can bring to the court[’]s attention. Only that I am innocent.” In the argument that follows, defendant challenges the prosecution case, addresses his own conduct, raises the possibility of contamination of prosecution DNA evidence, explains why his own DNA would be found on the victim’s panties, claims his trial counsel rendered ineffective assistance by failing to address various items of favorable evidence, and argues he entered his plea under “extreme pressure.”

Defendant’s arguments are not properly before us because he pleaded guilty and the trial court denied his request for a certificate of probable cause. (§ 1237.5.) Contentions asserting…