CONTENTS

PAGE
[CHAPTER I]
Introduction
Conflict between the Law-maker and the Law-breaker—Illustrations of Deductive Reasoning in Criminal Cases—ScientificEvidence—Scientific Assistance for the Accused—Instances of Advantages of Conflict of Scientific Evidence—Scientific Partisanship[1]
[CHAPTER II]
Detection and Capture of the Criminal
Contrasts between Eighteenth, Nineteenth and Twentieth Centuries—Margaret Catchpole—Tawell—Crippen—Portraitsand the Press—Charlesworth Case—Bloodhounds—Police Dogs—Circumstantial Detection[22]
[CHAPTER III]
Personal Identification
McKeever’s Experiment on Fallibility of Eye-witnesses—Gorse Hall Murder—Cases ofMistaken Identity—Gun-flash Recognition—Self-deception—Tichborne Case[37]
[CHAPTER IV]
Systems of Identification
Photography—Anthropometry—Finger-prints and their Uses[48]
[CHAPTER V]
Identification and Handwriting
Heredity—Emotional Influences—Effects of Disease on Handwriting[70]
[CHAPTER VI]
Evidence as to Handwriting
Illustrative Cases—Handwriting Experts[85]
[CHAPTER VII]
Forged Documents
Use of Microscope—Erasures—Photographic Methods—TypewrittenMatter—Examinations of Charred Fragments—Forgery of Bank Notes[93]
[CHAPTER VIII]
Distinguishing Inks in Handwriting
Elizabethan Ink—Milton’s Bible—Age of Inks—Carbon Inks—Herculaneum MSS.—Forgery of Ancient Documents[105]
[CHAPTER IX]
Two Notable Trials
Trial of Brinkley—Trial of Robert Wood[116]
[CHAPTER X]
Sympathetic Inks[130]
[CHAPTER XI]
Remarkable Forgery Trials
Trials—William Hale—The Perreaus—Caroline Rudd—Dr. Dodd—Whalley Will Case—Pilcher, etc.[135]
[CHAPTER XII]
Identification of Human Blood and Human Hair
Structure of Blood—Human Blood—Blood of Animals—Blood Crystals—Libellers of Sir E. Godfrey—Trial ofNation in 1857—Physiological Tests—Precipitines—First Trial in France—Gorse Hall Trials—Human Hair—Hairs of Animals[154]
[CHAPTER XIII]
Early Poisoning Trials
Murder of Sir T. Overbury—Mary Blandy—Katharine Nairn, etc.[171]
[CHAPTER XIV]
Notable Poisoning Trials
Use of Poisons—Arsenic and Antimony—Chapman Case—Strychnine in Palmer Trial—Physiological Tests—Case ofFreeman—Error from Quantitative Deductions—Poisonous Food Given to Animals—Mary Higgins—Negative Resultof Physiological Tests—Hyoscyamus Poisons—Crippen Case—Experiment on Cats—Time Limit for Action of Arsenic—French Case[190]
[CHAPTER XV]
The Maybrick Case[206]
[CHAPTER XVI]
Adulteration of Food
National Loss from Adulteration—“Adulterated” Electricity—The Beer Conner—Conflict of Evidence—TheNotice Dodge—Preservatives—Standards for Food—Court of Reference—Administration of the Law[214]
Index[239]