Medical advancements allows MEs to dertermine cause of deaths.
Microscopes were invented.
discovered more precise method for detecting small amounts of Arsenic
'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)
1850 - 1860
1st presumptive test for blood
Alphonse Bertillon (French)
introduced the Bertillon's system (aka Anthropometry)
1887 - 1893
London terrorized by a serial killer "Jack the Ripper"
"Criminal Investigation" by Hans Gross
The 1st book of criminal investigation using
1900 - 1999
'Father of Modern Microscopy'
ABO Blood Typing
Will West case
Case of misidentiication of two men whose
Bertillon's measurements were nearly identical.
It led to the end of Anthropometry.
"Questioned Documents" published by Albert Osborn
Locard's Exchange Principle
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
University of California at Berkeley Criminalistics Department
by Dr. Paul Kirk
FBI National Laboratory opens under Director J. Edgar Hoover
FBI Forensic Science Research & Training Center opens