Guilty person would confess under torture, while God would give an innocent person the strength to resist the pain.
Carl W. Scheele (Swedish Chemist)
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)
Valentin Ross discovered more precise method for detecting small amounts of Arsenic
Mathieu Orilla (Spanish)
AKA 'Father of Forensic Toxicology'.
Published article on detection of poisons and effects.
Polarizing microscope invented
Microscopes allowed for the discovery of more physical evidence. Polarizing microscope invented in 1828.
1st use of toxicological evidence in criminal trial
Irst microscopic detection of sperm
1850 - 1860
Allowed more accurate recording
1st presumptive test for blood
Alphonse Bertillon (French)
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
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
London terrorized by a serial killer "Jack the Ripper"
Hans Gross (Austrian)
"Criminal investigation" by Hans Gross published; the 1st book of criminal investigation using forensic science.
ABO Blood typing discovered by Karl Landsteiner
1901 - 2000
Walter McCrone 'Father of Modern Microscopy'
"Qustioned Documents" published by Albert Osborn
Locard's Exchange Principle 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 irst known police crime lab.
Los Angeles PD Crime Lab (the irst 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