This article was presented at “Guilty Minds: A Virtual Conference on Mens Rea and Criminal Justice Reform” at Arizona State University’s Sandra Day O’Connor College of Law.Under the willful blindness doctrine widely employed in federal criminal prosecutions, courts expand a statutory “knowledge” or “willfulness” requirement to encompass “willful blindness” or “deliberate indifference.” The WB doctrine bridges the gap between recklessness and knowledge, treating a subcategory of recklessness cases as if they were knowledge cases—namely, those cases in which defendant is not merely aware of a substantial risk that the incriminating fact exists, but also deliberately avoided confirmation of the incriminating fact. This article closely examines...