← Evidence Library

Museum or archive

Thomas J. Mooney collection, 1919–1939

Oakland Public Library

Cross-File evidence ledger

Where this source supports the record

Each entry separates the File’s editorial relevance note from its exact, section-level claims. A bibliography link without a direct claim is labeled plainly.

  1. Historic crimes & investigations · 22 July 1916

    The Preparedness Day Bombing and the Mooney Case

    West side of Steuart Street just south of Market Street · United States

    Open File evidence →
    Why editors use it here

    Public-library archival collection documenting Mooney's conviction, imprisonment, defense campaign, and relationship to the bombing case.

    1. Quick read

      At 2:06 p.m.

      Reviewed 24 July 2026
    2. Trigger and conditions

      A bomb concealed in a suitcase detonated near Steuart and Market Streets about half an hour after the procession began.

      Reviewed 24 July 2026
    3. Uncertainty

      The blast's time, location, and casualties are well documented.

      Reviewed 24 July 2026
    4. Why it matters

      The bombing joins two histories that should not be collapsed into one: ten people were killed by an unresolved act of violence, and other people were then subjected to a deeply unreliable prosecution.

      Reviewed 24 July 2026