Olvera-Carbajal

MEMORANDUM **

Sandra Olvera-Carbajal, a native and citizen of Mexico, petitions pro se for review of the Board of Immigration Appeals’ order upholding an immigration judge’s (“IJ”) decision denying her application for cancellation of removal. We have jurisdiction pursuant to 8 U.S.C. § 1252 . We review the agency’s continuous physical presence determination for substantial evidence. See Lopez-Alvarado v. Ashcroft, 381 F.3d 847, 850-51 (9th Cir.2004). We review de novo claims of constitutional violations in immigration proceedings. See Iturribarria v. INS, 321 F.3d 889, 894 (9th Cir.2003). We deny the petition for review.

Olvera-Carbajal’s testimony regarding her date of entry to the United States was materially inconsistent, and substantial evidence therefore supports the adverse credibility finding. Cf. Vera-Villegas v. INS, 330 F.3d 1222, 1231-34 (9th Cir. 2003). Moreover, Olvera-Carbajal failed to provide any supporting documentation or witnesses attesting to her presence from 1990 to 1993. See Chebchoub v. INS, 257 F.3d 1038, 1042 (9th Cir.2001) (holding that an IJ may require documentary evidence when she either does not believe an applicant or does not know what to…