As in Aguilera-Cota, the requisite nexus here between the reason set forth by the IJ and the negative credibility finding is lacking. Similarly, we conclude that Lopez’s failure to file an application that was “not as complete as might be desired cannot, without more, serve as a basis for a finding of lack of credibility.” Id. 2. Lopez’s failure to corroborate his testimony with representations from his mother and his friend Jairo. The IJ found that Lopez’s credibility was weakened by Lopez’s failure to corroborate his testimony with statements or letters from his mother in Guatemala or his friend Jairo in Mexico. Supplying corroborating affidavits, however, has never been required to establish an applicant’s credibility. See Bolanos-Hernandez v. INS, 767 F.2d 1277, 1285 (9th Cir.1984) (<HOLDING>). In fact, the case law emphasizes that the
holding that requiring corroborating affidavits wmld impose an unnecessarily heavy evidentiary burden on the applicant holding that the burden is on the plaintiff holding that contested factual issues in  2255 cases must be decided on the basis of an evidentiary hearing not affidavits holding that laws requiring special use permits did not impose a substantial burden on religious institution recognizing states heavy burden of establishing that the waiver was intelligently made