This concluding chapter recognized the intrinsic similarity between the
likely-authentic Ripper letters and the items of doubtful legitimacy. The content themes
were relatively consistent across both groups. The content themes, people, and language
of the Ripper correspondence were described and quantified. A few overall
generalizations were advanced as well.
Keywords: “Ah Ah, ” Bodies in River, Can’t Afford Postage, Content Themes,
Crime Prediction, “Excuse Writing, ” Handwriting Variation, “I’m not Mad, ”
Inactivity Explained, Linguistic Themes, More Letters Later, No More Letters,
Non-Ripper Correspondence, People Themes, Police Families Threatened,
References to News Coverage, Taunting Police, Undiscovered Bodies, Upper-
Class Victims, “Work.”
