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Song Ci was a Chinese judge and physician during the Song Dynasty who wrote a book that laid out early forensic techniques such as, how to perform autopsies and distinguish causes of death. -
Tripods and metric photography document crime scenes with measurements. -
Studied fingerprint patterns and demonstrated their permanence and uniqueness. His classification work laid the foundation for fingerprint identification. -
Parkman was murdered and his body was dismembered and burned. His remains relied on dental evidence and scientific testimony, this was one of the first U.S. cases to accept forensic identification in court. -
He developed anthropometry which is mug shots, and crime-scene photography. -
German scientist Christian Friedrich Schönbein discovered that hemoglobin oxidizes hydrogen peroxide to make foam, which laid the groundwork for a simple presumptive test for blood. -
This system measured physical dimensions of the body. -
Formulated Locard’s Exchange Principle, founded first forensic lab in Lyon -
Fingerprints studies showed they were unique and permanent making each persons different. -
Experiments on the formation and spread of blood stains from blunt trauma, exploring how direction, volume, and distance affect stain patterns. -
Alfred Edward Stratton and Albert Ernest Stratton were convicted of murder in Britain based on fingerprint evidence this was the first British murder conviction using fingerprints. -
Locard convinced police to give him two attic rooms and assistants to found a forensic lab. -
Edmond Locard formulated the principle that every contact leaves a trace meaning when two objects come into contact, material is exchanged. -
The microscope lets examiners look at two bullets or cartridge cases simultaneously to compare striations and marks. -
Steven Avery was falsely convicted for sexual assault and attempted murder of a local woman. He was imprisoned for 18 years until he was exonerated by DNA evidence.