Serial Killer: Joseph Roy MethenyJoseph Roy Metheny was convicted of kidnapping, raping, and murdering two young women in 1990s Baltimore. These crimes, proven through physical evidence and forensic analysis, should have been his entire legacy. Instead, Metheny became internationally notorious as "Joe the Cannibal"-a thirteen-victim serial killer who allegedly practiced cannibalism and served human flesh as hamburgers at a roadside BBQ stand.None of these sensational claims were ever verified. No additional bodies were found. No evidence of cannibalism existed. No BBQ stand could be documented. Yet the mythology spread globally through true crime media, algorithmic amplification, and cultural appetite for shocking narratives. Metheny's fabrications, designed to satisfy his narcissistic need for notoriety, succeeded completely-transforming a double murderer into a legendary monster.This comprehensive examination distinguishes verified facts from unproven claims, analyzes how confession without evidence became accepted as truth, explores the systematic failures that made vulnerable women targets, and documents how actual victims-Kimberly Spicer and Cathy Magaziner-were forgotten beneath sensational fiction. The case reveals troubling truths about true crime culture, about the power of mythology over facts, and about why we believe horrifying stories despite absence of proof. It stands as both cautionary tale and call for epistemic responsibility in an era where entertainment routinely eclipses truth.