A Record from Mary's Database

Record:

GIBBS, FREDERIC A. (DR.)

Sources:

Jack Ruby, pp. 123-140; Moment of Madness, Gertz, pp. 58, 62-63; The Two Assassins, Hartogs, pp. 78, 210; The Trial of Jack Ruby, Kaplan & Waltz

Mary's
Comments:

Chicago encephalographer. Testified in Ruby trial. Many experts disagreed with his conclusions.

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