As the Fifth Circuit explained, “in the BIA’s view, ‘[t]he personal-use exception is not intended or understood by Congress to apply to offenses that are significantly more serious than simple possession by virtue of other statutory elements that greatly increase their severity.’” Id. at 6 (quoting Matter of Moncada-Servellon, 24 I&N Dec. 62, 67 (BIA 2007)). Flores-Esquivel’s death knell was the location of his 2003 conviction: in a school zone.