Historical timeline

Events

Before 17th century

Approx. 1501 - 1600

Guilty person would confess under torture, while God would give an innocent person the strength to resist the pain.

Carl W. Scheele (Swedish Chemist)

1775

Devised a test for detecting Arsenic in corpses.
Arsenic= The inheritance powder)

19th century advancements

1801 - 1900

Medical advancements allowed MEs to determine cause of deaths.

Valentin Ross (German)

1806

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

Mathieu Orilla (Spanish)

1814

AKA 'Father of Forensic Toxicology'.
Published article on detection of poisons and effects.

Polarizing microscope invented

1828

Microscopes allowed for the discovery of more physical evidence. Polarizing microscope invented in 1828.

Irst microscopic detection of sperm

1839

1st use of toxicological evidence in criminal trial

1839

Photographs

1850 - 1860

Allowed more accurate recording

1st presumptive test for blood

1863

Alphonse Bertillon (French)

1879

He 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 identification for nearly 2 decades.
Replaced by fingerprinting in 1903

Sherlock Holmes

1887 - 1893

The most influential character.
Created by author Sir Arthur Conan Doyle; his influence can be compared to that of the modern CSI shows today.

Jack the Ripper

1888

London terrorized by a serial killer "Jack the Ripper"

Hans Gross (Austrian)

1893

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

20th century

1901 - 2000

Walter McCrone 'Father of Modern Microscopy'

ABO Blood typing discovered by Karl Landsteiner

1901

"Qustioned Documents" published by Albert Osborn

1910

Locard's Exchange Principle by Edmond Locard (French)

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 irst known police crime lab.

Los Angeles PD Crime Lab (the irst in USA)

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