Criminal Investigation: a Practical Handbook for Magistrates, Police Officers and Lawyers, Volume 2 by Hans Gross (1847 - 1915)

This chapter from Hans Gross's 19th-century forensic handbook explores the science and art of footprint analysis in criminal investigation.

This episode is a reading from Hans Gross's 19th-century forensic handbook, focusing on methods to detect blood traces that criminals have attempted to remove.

This episode, drawn from a 19th-century criminal investigation handbook, details meticulous forensic techniques for reconstructing torn and burnt documents.

This chapter from Hans Gross's 19th-century forensic handbook provides detailed, practical instruction on how to accurately sketch crime scenes, from single rooms to multi-story houses.

Hans Gross's chapter treats superstition as an investigative factor, citing 1894 Italian killings of 24 and 20 children for treasure-seeking rituals.

This chapter from Hans Gross's 19th-century forensic handbook examines the precise science and numerous pitfalls of analyzing footprints as criminal evidence.

This episode is a chapter reading from Hans Gross's 19th-century forensic manual, focusing on the biomechanics of running and how to analyze footprints to determine a suspect's speed and gait.

This episode, drawn from Hans Gross's 19th-century forensic handbook, details the critical importance of finding, preserving, and interpreting traces of blood at crime scenes.

This chapter from Hans Gross's 19th century forensic handbook systematically analyzes how footprints reveal criminal identity and behavior.

This episode is a chapter reading from Hans Gross's seminal 19th-century forensic handbook, focusing on the scientific analysis of footprints.

This episode is a reading from Hans Gross's 19th-century forensic handbook, providing a detailed scientific analysis of how footprints are created through the biomechanics of walking and running.

This chapter from Hans Gross's 19th-century forensic manual provides a detailed, critical examination of historical methods for preserving crime scene footprints.

This episode is a reading from Hans Gross's 19th-century forensic manual, focusing on the meticulous science of analyzing footprints at crime scenes.

This episode is a chapter reading from Hans Gross's 19th-century forensic handbook, detailing meticulous procedures for documenting, sketching, and physically preserving traces of blood at a crime scene.

This episode from Hans Gross's 19th century forensic handbook details practical techniques for crime scene documentation, including drawing on squared paper, creating relief maps, and using molding and stereotyping methods to preserve evidence.

Hans Gross’s Superstition sections examine how charms, incantations, and divination affect criminal investigations in the late nineteenth century.

Hans Gross's Superstition iv-v examines how sanyasis, treasure seekers, fortune tellers, and witnesses exploit beliefs for money or legal advantage.

Hans Gross distinguishes obsolete pistols from Colt revolvers, whose general use began after 1835 and whose chambers can perform differently.

Hans Gross’s Section 15 classifies shotguns, rifles, muzzle-loaders, and breech-loaders through their projectiles, barrels, and ignition systems.