-
First recorded use of question document analysis
-
Blood splatters were used
This was the date they first learned how to use blood as evidence and how to identify it on the scene. -
Bullet comparison
They found out how to compare bullet speed and bullet analysis. -
Arsenic Detection
They found out how to find chemicals on the scene they call, toxicology -
Crystal testing
The development of the first crystal test for hemoglobin using hemin crystals. -
Finger prints
They found out how to find finger prints on the scene and to compare them to suspects or civilians. -
August Vollmer founded the first American crime lab in Los Angeles
-
The FBI found their first Crime Scene lab
-
Voice analysis
They found how to analyze voice recognition to find the suspects -
The fluoroscope is used
State’s Attorney Officer John Sojat and Police Lt. James Oakley watched Joseph Nicole, of the police crime lab, use a fluoroscope with a portable power unit to look for bullets in a tree. The fluoroscope is a type of X-ray machine, is often used to scan bodies, in order to obtain information about foreign objects inside them without resorting to autopsy. -
Breathalyzer created
They invented the breathalyzer to find out if someone was under the influence. -
DNA samples
The use of finding DNA became apparent