In this episode of Ciphered Past, Tim Gardner and Eli Frame sit down with longtime JFK researcher David Josephs for a deep and challenging conversation about one of the most disputed corners of the assassination record: Mexico City.Why does the Mexico City story matter so much?What happens to the official narrative if Lee Harvey Oswald was never there?And what does the documentary record actually show when you strip away decades of assumptions?David walks us through the intelligence cables, witness statements, and tradecraft patterns that continue to raise questions about impersonation, manufactured evidence, and post-assassination narrative control. From the treatment of Silvia Durán to the structure of the Mexico City story itself, this conversation digs into the mechanics behind the official account—and what may lie beneath it.We also explore:The significance of the Mexico City timelineImpersonation vs. misidentification vs. manufactured documentationThe handling of key witnessesThe “Dulles network” and continuity of powerDallas law enforcement in the first 48 hoursCaptain Will Fritz and the interrogation of OswaldThe Armstrong identity frameworkEvidence alteration claims surrounding the Zapruder filmHow intelligence narratives shape public understandingThis is not a casual discussion. It’s a methodical look at the evidence, the records, and the unresolved contradictions that keep the Kennedy case alive more than sixty years later.Follow David Josephs on X:@DJOSEPHS_jfkAbout Ciphered PastCiphered Past explores the hidden corridors of history—assassinations, intelligence operations, and the people and events that shaped the modern world. Hosted by Tim Gardner and Eli Frame, the show brings together researchers, authors, and investigators for deep, unscripted conversations.KeywordsJFK assassination, David Josephs, Ciphered Past, Mexico City Oswald, Lee Harvey Oswald, JFK research, CIA Mexico City, Silvia Duran, Warren Commission, HSCA, Zapruder film, Captain Will Fritz, Dallas police JFK, Dulles network, Allen Dulles, Cold War intelligence, Oswald impersonation, JFK conspiracy, Armstrong theory, JFK evidence, assassination research, intelligence operations, Dallas 1963, CIA history, JFK filesDisclaimerThis program discusses historical events, research findings, and interpretations related to the assassination of President John F. Kennedy. The views expressed by guests are their own and are presented for informational and educational purposes. This content is not intended to defame any individual or institution. Viewers are encouraged to conduct their own research and review primary sources when forming conclusions about historical events.