4n6 Timeline

Events

First Application of Forensic Science

201 - 300

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.

inheritance Powder

1775

Carl W. Scheele devised a test to detect Arsenic in corpses.

Arsenic Detection Analysis

1806

Valentin Ross (German) discovered more precise 
method for detecting small amounts of Arsenic

Detection of Poison and Effects

1814

Mathieu Orilla  (Spanish) aka 'Father of Forensic 
Toxicology' published article on detection of poisons and 
effects

Polarizing Microscope Invented

1828

Highlight the features of various substances such as crystals, fibers, and minerals, which can aid in their identification

1st use of toxicological evidence in criminal trial

1839

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

First Microscope detection of Sperm

1839

After someone ejaculated, they decided to put it under a microscope and noticed the sperm cells swimming around.

Photographs

1850 - 1860

Allowed more accurate recording

1st presumptive test for blood

1863

The chemical indicator phenolphthalein is used to detect the possible presence of hemoglobin

Bertillon's system

1879

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

Sherlock Holmes

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 
shows today

Jack the Ripper

1888

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

1893

"Criminal Investigation" by Hans Gross (Austrian) 
published; the 1st book of criminal investigation 
using forensic science

ABO blood typing

1901

ABO blood typing discovered by Karl Landsteiner

Will West Case

1903

Case of misidentiication of two men  whose 
Bertillon's  measurements were nearly identical.  
It led to the end of Anthropometry

Questioned Documents

1910

Albert Sherman Osborn is considered the father of the science of questioned document examination in North America.

Locard's Exchange Principle by Edmond Locard

1913

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

1923

The first lab in the US

University of California at Berkeley Criminalistics Department led by Dr. Paul Kirk

1930

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

1932

FBI Forensic Science Research & Training Center opens

1981