Iankov

MEMORANDUM *

Husband and wife Roumen I. Iankov and Edita Iankova appeal the Board of Immigration Appeals (BIA) decision denying them asylum in the United States. We affirm. Because the facts are familiar to the parties, we recount them only as necessary to explain our decision.

In ruling against Iankov and Iankova on their appeal from the Immigration Judge’s (IJ) decision, the BIA made two separate *608 findings. First, it ruled that none of the events described by Iankov in his testimony amounted to persecution. Second, the BIA determined that Iankov and Iankova failed to challenge the IJ’s findings regarding their credibility and lack of corroborating evidence.

1. In their appeal to this court, Iankov and Iankova do not challenge the part of the BIA decision regarding whether then-treatment met the statutory “persecution” requirement. Instead, their arguments focus on whether the BIA or the IJ incorrectly ruled that they were not credible and incorrectly required them to corroborate their factual claims. Because Iankov and Iankova do not challenge the BIA’s legal determination regarding whether the treatment the couple alleged amounted to persecution, this court cannot…