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Fingerprint Identification
Sir Edward Richard Henry, the new head of Scotland Yard, adopts fingerprint identification. https://upload.wikimedia.org/wikipedia/commons/thumb/b/bf/Fingerprint_picture.svg/2000px-Fingerprint_picture.svg.png -
Geologic Evidence
Georg Popp uses geological evidence in criminal case for the first time. -
FBI
Theodore Roosevelt establishes the Federal Bureau of Investigation in the US. -
Hair
Victor Balthazard and Marcelle Lambert publish the first study of hairs.
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Bullets
Victor Balthazard enlarges bullets and casings with photography in an attempt to match a fired bullet to the weapon that fired it.
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Microscopic Hemoglobin
Masaeo Takayama develops a microscopic test the utilizes crystals to accurately detect hemoglobin. -
Mass Spectrometer
J.J. Thomas builds the first mass spectrometer, the hyperbola spectrograph. -
Vacuum
A vacuum like a machine is used by Albert Schneider to collect trace evidence at a crime scene. -
Comparison Microscope
Calvin Goddard, Charles E. Waite, Phillip O. Gravelle, and John H. Fisher create the comparison microscope for comparing bullets.
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FBI Lab
The FBI finishes its first crime lab.
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Breathalyzer
R. F. Borkenstein invents the breathalyzer for police testing. -
Bl(O)od
A. S. Weiner identifies the O blood type using H-lectin.
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Lip prints
Hungary begins to study lip prints. -
AFIS
The US begins to use an Automated Fingerprint Identification System to compare figerprints. -
DNA Profiling
The UK begins to use DNA in forensic profiling.
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