American Sherlock Holmes

Berkeley, California, 1933.
In a laboratory, cunning in flasks, microscopes, bunzen burners and hundreds and hundreds of books, is a man who is destined to become one of the first forensic scientists and successfully disclose more than two thousand crimes for his own Career.
His name is Edward Oscar Heinrich, and he fully deserves the admiring nickname American Sherlock Holmes.
Oscar Henry worked during the dry law and great depression. In times when even simple dactyloscopy was considered a novelty and raised great doubts in court, and crimes were investigated with the help of the mind and perseverance of the police. And only the genius of Henry gave the police such obvious methods today, as an analysis of blood splashes, ballistic examination and analysis of hidden fingerprints. From what modern forensics are based on