-
A villager was stabbed to death and authorities determined that his wounds were inflicted by a sickle. The villagers assembled in the town square where they would temporarily relinquish their sickles. Within minutes, a mass of blow flies gathered around one sickle and none other, attracted to the scent of traces of blood unseen by the naked eye. It became apparent to all that the owner of that sickle was the culprit.
-
Considered to be the "father of toxicology" because he published the first scientific treatise on the detection of poisons and the effects on animals
-
Used thumbprints on documents to identify workers in China.
-
"father of criminal identification" developed anthropometry which uses body measurements to distinguish individuals
-
used fingerprints to eliminate an innocent burglary suspect
-
published his first Sherlock Holmes story. considered the first "csi", featured in four novels and 56 short stories, popularized scientific crime-detection methods
-
publish "finger prints" conducted the first definitive study of fingerprints and their classification, gave proof of their uniqueness
-
wrote the first paper describing the application of scientific principles to the field of criminal investigation, published "criminal investigation"
-
discovered the ABO groups, later received nobel prize
-
incorporated gross' principles within a workable crime lab; became the founder and director of the institute of criminalistics at the university of Lyons, France
-
published questioned documents. developed the fundamental. principles of document examination
-
Developed a method for determining blood type from dried blood
-
established the first crime lab in US located in LA
-
developed a comparison microscope; first used to compare bullets to see if fired from the same weapon