MEMORANDUM **
Afework Jemere Mengesha and his wife, natives and citizens of Ethiopia, petition for review of a Board of Immigration Appeals’ (“BIA”) order dismissing their appeal from an immigration judge’s (“IJ”) decision denying their application for asylum, withholding of removal, and relief under the Convention Against Torture (“CAT”). Our jurisdiction is governed by 8 U.S.C. § 1252. We review for substantial evidence, INS v. Elias-Zacarias, 502 U.S. 478, 481 n. 1, 112 S.Ct. 812, 117 L.Ed.2d 38 (1992), and we deny in part and dismiss in part the petition for review.
Substantial evidence supports the IJ’s adverse credibility determination because Mengesha’s voluntary return trips to Ethiopia inherently undermine his testimony that he experienced past persecution or had a well-founded fear of future persecution. See Loho v. Mukasey, 531 F.3d 1016, 1018-19 (9th Cir.2008). Substantial evidence also supports the IJ’s credibility determination based on Mengesha’s submission of a fraudulent document that goes to the heart of his claim. See Desta v. Ashcroft, 365 F.3d 741, 745 (9th Cir.2004). Because Mengesha’s asylum and withholding of removal claims are based on testimony the IJ found not credible, those claims fail. See Farah v. Ashcroft, 348 F.3d 1153, 1156 (9th Cir.2003).
The court lacks jurisdiction to review Mengesha’s CAT claim or due process challenge because he failed to exhaust those issues before the BIA. See Barron v. Ashcroft, 358 F.3d 674, 676-78 (9th Cir.2004).
PETITION FOR REVIEW DENIED in part; DISMISSED in part.