CHAPTER XIV

DETECTING FRAUD AND FORGERY IN PAPERS AND DOCUMENTS

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