the earliest form of forensic science: the pig and smoke experiment.(was a man dead already or did the smoke kill him?)
Guilty person would confess under
torture, while God would give an
innocent person the strength to
resist the pain.
developed a test in where the detector would change color with the contact of skin, given that they contained Arsenic (the inheritance powder)
discovered more precise
method for detecting small amounts of Arsenic. Chemical tests (allowed for detection of concealed evidence)
aka the father of forensic toxicology. he published an aricle on detection of poisons and
effects, which mainley helped the ME'S.
Chemical tests (allowed for detection of concealed evidence)
Polarizing microscope invented. (Microscopes (allowed for the discovery of more physical
1st use of toxicological evidence in criminal trial
first microscopic detection of sperm
Photographs (allowed more accurate recording)
1st presumptive test for blood
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 today.
London terrorized by a serial killer "Jack the Ripper"
"Criminal Investigation" by Hans Gross (Austrian)
published; the 1st book of criminal investigation using forensic science
ABO blood typing discovered by him
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
by Edmond Locard (French)
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 Hoover
FBI Forensic Science Research & Training Center opens
'Father of Modern Microscopy'