| PAGE |
| CHAPTER I |
| Introduction |
| Conflict between the Law-maker and the Law-breaker—Illustrations of Deductive Reasoning in Criminal Cases—Scientific Evidence—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—Portraits and 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 of Mistaken 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—Typewritten Matter—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 of Nation 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 of Freeman—Error from Quantitative Deductions—Poisonous Food Given to Animals—Mary Higgins—Negative Result of Physiological Tests—Hyoscyamus Poisons—Crippen Case—Experiment on Cats—Time Limit for Action of Arsenic—French Case | 190 |
|
| CHAPTER XV |
| The Maybrick Case | 206 |
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