The local death investigator noticed that the husband's corpse did not have ashes in its mouth. In order to verify the woman's story he burned two pigs one alive one dead. He checked the insides to see if they had ashes and the dead one did not because it was not inhaling any.
Carl W. Scheele devised a test to detect Arsenic in corpses.
Arsenic Detection Analysis
Valentin Ross (German) discovered more precise
method for detecting small amounts of Arsenic
Detection of Poison and Effects
Mathieu Orilla (Spanish) aka 'Father of Forensic
Toxicology' published article on detection of poisons and
Polarizing Microscope Invented
Highlight the features of various substances such as crystals, fibers, and minerals, which can aid in their identification
First Microscope detection of Sperm
After someone ejaculated, they decided to put it under a microscope and noticed the sperm cells swimming around.
1st use of toxicological evidence in criminal trial
The development of tests for the presence of blood in a forensic context. A bullet comparison used to catch a murderer. The first use of toxicology (arsenic detection) in a jury trial
1850 - 1860
Allowed more accurate recording
1st presumptive test for blood
The chemical indicator phenolphthalein is used to detect the possible presence of hemoglobin
a system for identifying people by their physical appearance
Was considered to be the most accurate method of personal identification for nearly 2 decades, replaced by fingerprinting in 1903
1887 - 1893
The most inluential ictional character created
by author Sir Arthur Conan Doyle; his inluence
can be compared to that of the modern CSI
Jack the Ripper
London terrorized by a serial killer "Jack the Ripper". London was the scene of five brutal murders. The killer was dubbed 'Jack the Ripper'. All the women murdered were prostitutes
"Criminal Investigation" by Hans Gross (Austrian)
published; the 1st book of criminal investigation
using forensic science
ABO blood typing
ABO blood typing discovered by Karl Landsteiner
Will West Case
Case of misidentiication of two men whose
Bertillon's measurements were nearly identical.
It led to the end of Anthropometry
Albert Sherman Osborn is considered the father of the science of questioned document examination in North America.
Locard's Exchange Principle by Edmond Locard
When 2 objects come into contact with each other, a cross‑
transfer of materials occurs that can connect a criminal suspect to the victim or the crime scene.
Locard also started the first known police crime
Los Angeles PD Crime Lab
The first lab in the US
University of California at Berkeley Criminalistics Department led by Dr. Paul Kirk
Paul Leland Kirk was a chemist, forensic scientist and participant in the Manhattan Project who was specialized in microscopy.
FBI National Laboratory opens under Director J. Edgar Hoover
FBI Forensic Science Research & Training Center opens