Heart of a 26-year-old man, perforated by a bullet, New York, 1937
New York City Medical Examiner's Collection, National Museum of Health and Medicine, Armed Forces Institute of Pathology, Washington, D.C.
The mass manufacture of guns in the 19th century led to an epidemic of gunshot wounds incurred in wars, violent crimes, suicides, and accidents. The study of gunshot wounds became an integral part of criminal investigation and forensic pathology.