Sanchez v. Holder, ___ F.3d ___, ___, 2014 WL 3329186 (7th Cir. Jul. 9, 2014) (True, the IJ and the Board retain substantial discretion in making the decision to consider evidence outside the formal record of conviction. Mata"Guerrero v. Holder, 639 F.3d 276, 277 (7th Cir.2011). However, the adjudicator must still exercise that discretion: The Board should have explained its determination that additional evidence was not necessary or appropriate to resolve the moral turpitude question, if that was indeed what the Board thought. See Silva"Trevino, 24 I. & N. Dec. at 704. But if anything, the Board's reasoning suggests that additional evidence was necessary.).