DALLAS — WFAA received rare access inside the Dallas Police Department’s secure archives, where newly unearthed artifacts tied to the assassination of President John F. Kennedy are shedding light on how investigators, journalists, and even Oswald’s widow wrestled with unanswered questions in the years that followed.

The archive is housed deep inside DPD headquarters, in a secure room containing hundreds of boxes dating back decades. Sgt. Dan Mosher, who oversees the preservation of historical case files, says the department continues to find material long thought lost—or never before cataloged.

Among the discoveries: a spent shell casing from Jack Ruby’s revolver, original letters sent between WFAA and Dallas police officials in the mid-1960s, and documents recovered from a mysterious

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