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Change with Time
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Frank Lundquist
Frank Lundquist, working at the Legal Medicine Unit at the University of Copenhagen, and he developed the acid phosphatase test for semen in 1945. -
Fingerprints
By 1946 about 100 million fingerprint cards in manually made. Then came the introduction of automated fingerprint identification system. -
Munich
In Germany a guy Robert Heindl formed a police laboratory at Munich -
Mr. Lewis
The first description of an antibody was published in 1946 by Mourant. Lewis. It was called the Lewis system. -
Say Cheese
Keith Simpson launched the science of bite-mark analysis. His belive first started with a murder of a young women.When he examined bite-marks on the breast of dead woman, he said the marks were distinctive, and could be matched with dental records. -
Forensic Science
The American Academy of Forensic Science was founded.
At this point only 6 U.S. city police departments had crime labs -
Henri Griffon
The French toxicologist Henri Griffon was the first to use Neutron Activation Analysis to detect traces of poison in hair -
DNA
James Watson , Francis Crick , and Maurice Wilkins identify DNA’s double-helical structure. -
Reading Time
Paul Leland Kirk published a book on Crime Investigation. It was one of the first undertandable books on criminalistics and crime investigation. -
Breathalyzer
In 1954, Professor Robert F. Borkenstein of Indiana University invented the Breathalyzer, an instrument that testing breath alcohol. There was already something like it called The Drunkometer it needed to be reset when it was moved from place to place, while on the other hand the Breathalyzer was highly portable and didnt need any resetting -
Brown vs. Board of Education
In the landmark 1954 case of Brown vs. Board of Education, several psychologists testified for both
the plaintiffs and the defendants. Later, the courts gave support to psychologists serving as mental
illness experts in the case of Jenkins vs. United States. -
Losing Position
At this point Forensic medicine began losing its position as the center of forensic science. But it really started in the 50's. -
Voiceprints
Developed by Bell Laboratories in the late 1940s for military intelligence purposes olny.But Voiceprints did not start began used until 1960.A personds voice can be recorded on an instrument called the sound spectrograph. Recordings on phones, answering machines and orr tape recorders could then be used as evidence in court.Developed by Bell Laboratories in the late 1940s for military intelligence purposes -
Nuetron Activation
Nuetron Activation Analysis was being tested at U.S. atomic laboratories -
Neutron Activation Analysis
An American court admitted Neutron Activation Analysis evidence for the first time. -
Scanning Electron Microscope
In 65 only seven states had or had just adopted a medical examiners system.The Scanning Electron Microscope (SEM) was perfected for ciminalistic use