History of 4N6

Events

First Recorded Use of Forensic Science

Approx. 300 BC

Test Created For Arsenic Detection

1775

Valentin Ross created test for finding small amounts of Arsenic

1806

Mathieu Orilla published article on detection of poisons and  effects

1814

Polarizing Microscope Invented

1828

First Microscopic Detection of Sperm

1838

1st Use Of Toxicological Evidence In Criminal Trial

1839

Photographs (allowed more accurate recording)

Approx. 1850 - Approx. 1860

First Presumptive Test For Blood

1863

Alphonse Bertillon (French) introduced the Bertillon's  system (aka Anthropometry)

1879

Sherlock Holmes

1887 - 1893

London terrorized by a serial killer "Jack the Ripper"

1888

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

1893

Walter Mcrone; Father of Modern MIcroscopy

Approx. 1900 - Approx. 2000

ABO blood typing discovered by Karl Landsteiner

1901

Will West Case

1903

"Questioned Documents" published by Albert Osborn

1910

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.

Los Angeles PD Crime Lab

1923

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

1930

FBI National Laboratory opens under Director J. Edgar  Hoover

1932

FBI Forensic Science Research & Training Center opens

1981