In sum, an authorship attribution study requires the consistent, coherent, and congruent conjunction of historical, biographical, and stylometric evidence to support the conjecture of a writer as the author of a text with disputed authorship. Such a combination of mutually supporting evidence has not been set forth by Criddle and associates. Even before statistical evidence can be considered, the historical context must make plausible the claim to be tested. The stylometric analysis by Jockers, Witten, and Criddle is not the “knockout punch” that some Spalding-Rigdon theorists thought it might be. Its incomplete treatment of the historical material, which plays a big role in how they later justified their mistaken use of a closed-set method, ignores a plethora of evidence that disagrees with the Spalding-Rigdon theory. Its literature review was so overtly dismissive of work associated with Mormon researchers that the authors missed the chance to benefit from previous findings, both when designing their study and interpreting their results. From a historical perspective, the Spalding-Rigdon theory is nothing but conjecture supported by imagination and special pleading since it requires the invocation of hypothetical manuscripts for which there is no evidence and events that are not only unattested in the historical record but also contradicted by it. Sidney Rigdon did not write the Book of Mormon. Joseph Smith’s description of the book’s origin remains the only explanation not contradicted by valid, reliable evidence, both historical and stylometric.