Woman told authorities that her husband burned in fire; Chinese scientist cut open pigs throats and to find if carbon dioxide poisoning killed them, and used that application to find out whether husband died from Carbon Dioxide poisoning.
Carl W. Scheele devised test for detecting Arsenic in corpses (the inheritance powder)
Valentin Ross (German) discovered more precise
method for detecting small amounts of Arsenic
Mathieu Orilla (Spanish) aka 'Father of Forensic
Toxicology' published article on detection of poisons and
Polarizing microscope invented
1st use of toxicological evidence in criminal trial
First microscopic detection of sperm
Photographs (allowed more accurate recording)
1st presumptive test for blood
Alphonse Bertillon (French) introduced the Bertillon's
system (aka Anthropometry)
a system for identifying people by their physical appearance
was considered to be the most accurate method of personal
identiication for nearly 2 decades
replaced by ingerprinting in 1903
The most inluential ictional character created
by author Sir Arthur Conan Doyle; his inluence
can be compared to that of the modern CSI shows
London terrorized by a serial killer "Jack the Ripper"
1st book of criminal investigation using
'Father of Modern Microscopy'
could identify any substance by looking through microscope
ABO blood typing discovered by Karl Landsteiner
Case of misidentiication of two men whose
Bertillon's measurements were nearly identical.
It led to the end of Anthropometry
Albert Osborn published Question Documents
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 lab.
Los Angeles PD Crime Lab (the first in USA)
University of California at Berkeley Criminalistics
Department led by Dr. Paul Kirk
FBI National Laboratory opens under Director J. Edgar
FBI Forensic Science Research & Training Center opens