Infallible Rules for the Detection of Same—New Methods of Research—Changing Wills and Books of Accounts—Judgment of the Naked Eye—Using a Microscope or Magnifying Glass—Changeable Effects of Ink—How to Detect the Use of Different Inks—Sized Papers Not Easily Altered—Inks That Produce Chemical Effects—Inks That Destroy Fiber of Paper—How to Test Tampered or Altered Documents—Treating Papers Suspected of Forgery—Using Water to Detect Fraud—Discovering Scratched Paper—Means Forgers Use to Mask Fraudulent Operations—How to Prepare and Handle Test Papers—Detecting Paper That Has Been Washed—Various Other Valuable Tests to Determine Forgery—A Simple Operation That Anyone Can Apply—Iodine Used on Papers and Documents—An Alcohol Test That Is Certain—Bringing Out Telltale Spots—Double Advantage of Certain Tests—Reappearance of Former Letters or Figures—What Genuine Writing Reveals—When an Entire Paper or Document is Forged

[CHAPTER XV]
GUIDED HANDWRITING AND METHOD USED

The Most Frequent and Dangerous Method of Forgery—How to Detect a Guided Signature—What Guided Handwriting Is and How It Is Done—Character of Such Writing—Writing by a Guided Hand—Difficulty in Writing—Force Exercised by Joint Hands—A Hand More or Less Passive—Work of the Controlling Hand—How Guided Writing Appears—Two Writers Acting in Opposition—Distorted Writing—How a Legitimate Guided Hand is Directed and Supported—Pen Motion Necessary to Produce Same—Influence in Guiding a Stronger Hand—Avoiding an Unnatural and Cramped Position—Effect of the Brain on Guided Hand—Separating Characteristics from Guided Joint Signature—Detecting Writing by a System of Measurement

[CHAPTER XVI]
TALES TOLD BY HANDWRITING

Telling the Nationality, Sex and Age of Anyone Who Executes Handwriting—Americans and Their Style of Writing—How English, German, and French Write—Gobert, the French Expert, and How He Saved Dreyfus—Miser Paine and His Millions Saved by an Expert—Writing with Invisible Ink—Professor Braylant's Secret Writing Without Ink—Professor Gross Discovers a Simple Secret Writing Method With a Piece of Pointed Hardwood—A System Extensively Used—Studying the Handwriting of Authors—How to Determine a Person's Character and Disposition by Handwriting

[CHAPTER XVII]
WORKINGS OF THE GOVERNMENT SECRET SERVICE

Officials of This Department Talk About Their Work—How Criminals Are Traced, Caught and Punished—Its Work Extending to All Departments—Secret Service Districts—Reports Made to the Treasury Department—Good Money and Bad—How to Detect the False—System of Numbering United States Notes Explained—Counterfeiting on the Decrease—Counterfeiting Gold Certificates—Bank Tellers and Counterfeits—The Best Secret Service in the World

[ CHAPTER XVIII]
CHARACTER AND TEMPERAMENT INDICATED BY HANDWRITING 191

A Man's Handwriting a Part of Himself—Handwriting and Personality—Cheap Postage and Typewriters Playing Havoc with Writing by Hand—Old Time Correspondence Vanishing—Two Divisions of Handwriting—Fashion Has Changed Even Writing—Characteristic Writing of Different Professions—One's Handwriting a Sure Index to Character and Temperament—Personality of Handwriting—Handwriting a Voiceless Speaking—A Neglected Science—Interest in Disputed Handwriting Rapidly Coming to the Front—Set Writing Copies no Longer the Rule—Formal Handwriting—Education's Effect on Writing—Handwriting and Personality—The Character and Temperament of Writers Easily Told—Honest, Eccentric, and Weak People—How to Determine Character by Writing—The Marks of Truth and Straightforwardness—How Perseverance and Patience Are Indicated in Writing—Economy, Generosity and Liberality Easily Shown in Writing—The Character and Temperament of Any Writer Easily Shown—Studying Character from Handwriting a Fascinating Work—Rules for Its Study—Links in a Chain That Cannot be Hidden—A Person's Writing a Surer Index to Character Than His Face

[ CHAPTER XIX]
HANDWRITING EXPERTS AS WITNESSES 205