The Trial of Germans in Nüremberg (1945-1946) may be considered the dawn of the modern criminological psychodiagnosis. It was in fact the first time that the Rorschach test was used for the study of the personality of individuals accused of war crimes. The paper analyzes the two Rorschach test adminestered to Herman Göring, the number two of the Third Reich and gives the evidences that a valid, thorough and meaning interpretation of a Rorschach protocol is possible only in the light of the detailed and exhaustive information on the biography of the subject being examined.