{"version":"1.0","type":"rich","provider_name":"Acast","provider_url":"https://acast.com","height":250,"width":700,"html":"<iframe src=\"https://embed.acast.com/$/6ada1b464281670f07a0e590/6ada1c3d70af2b1aa732a393?\" frameBorder=\"0\" width=\"700\" height=\"250\"></iframe>","title":"The Crosshair Letter Had Ink Hidden Under Its Signature. It Pointed to a Police Inspector.","description":"In May 2024, retired NSA cipher analyst Holly Hamilton was drawn back into the decades-old crosshair cold case when a handwritten encrypted letter, postmarked May 1969 and signed with a crosshair symbol, surfaced in a mislabeled archival box in San Francisco. With a city press conference days away that would formally classify the killer's identity as permanently indeterminate, Hamilton raced to decode a layered cipher while a lieutenant fought to keep the file sealed. The decoded letter does not name the killer, but the location and partial surname it encodes have reopened an evidentiary record closed for over fifty years.\r\n\r\nThis episode was created with artificial intelligence: AI-assisted script and AI-generated (synthetic) voice.","author_name":"Creators Obomedia"}