With the advent of the Sylvia Odio series, we are pivoting back to (finally) finishing off the Mexico series. In the Odio story, we tell something tangential to Mexico City but vastly important overall. The story of Sylvia Odio is rarely explored in more detail and we do it here. And no,...it's not time yet for Sylvia Duran...that is coming next, but we're going to cover Sylvia Odio first.

In the fourth episode of this mini-series , we continue to lay the groundwork for what has become known as the most explosive Oswald sightings of the Kennedy assassination. On November 22, 1963, the world changed forever. Sylvia Odio was returning from lunch at her Dallas office when radios blared the news: President Kennedy had been shot. In an instant her mind flashed back to the two Cuban men and the quiet American they called “Leon” who had stood in her apartment just weeks earlier—An image that came to mind before Oswald’s name or face had been released to the public.

Sylvia collapsed in the company warehouse, overwhelmed by the connection. Across town her seventeen-year-old sister Annie saw Oswald’s photograph on television and felt a chilling jolt of recognition. Rushed to the hospital where Sylvia had been taken, the sisters stared at each other in horror. “Do you remember those three guys who came to the house?” Sylvia whispered. The pieces came together. “Leon did it!” Sylvia cried.

Terrified for their parents—still political prisoners in Castro’s Cuba—and fearing the entire exile community would be blamed, Sylvia and Annie swore a pact of silence. Yet a secret this explosive could not stay hidden. Through a chain of phone calls, a classroom conversation, and the son of FBI Agent James Hosty, the story reached the authorities, pulling Sylvia Odio into one of the most fiercely debated episodes of the Warren Commission investigation.

Next time: How the FBI and the Commission tried—and failed—to bury the mother of all Oswald sightings