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Valentin Ross
Valentin Ross discovered a more precise way to detect small amounts of arsenic by using the walls of the victim's stomach. -
Anthropometry
Anthropometry is used to estimate gender, ethnic, age at the time of death, body weight, height, cause of death if reflected in the human remains. This has been used since 1882. -
Francis Galton
a scientist who discovered the simple loop, central pocket loop, double loop, lateral pocket loop, plain whorl, and accidental fingerprints. he identified the plain arch and the tented arch. -
Dental Xray
the dental x ray was invented by conrad roentgen in 1895. in forensics scientists use them to determine the age of a minor victim and even help in finding out the sex and ethnic group. -
Karl Landsteiner
he was an Austrian biologist, physician, and immunologist. He discovered the main blood groups of type-A, type-B, or type-O, in 1900 -
Dactyloscopy
Dactyloscopy is the science of fingerprint identification. it was identified by Francis Galton. Fingerprints make a ridges of the fingertips are permanent and vary a lot different from anyone else's. this makes it possible to use them to identify people in crime scenes -
Comparison Microscopes
A comparison microscope is a tool used to analyze side-by-side organisms. It has of two microscopes connected by an optical bridge, which gives a split view window separating the two objects to be viewed at the same time. It was invented by Calvin Goddard and Phillip O Gravel. -
Polygraph
a polygraph is usually known as a lie detector. it was invented by john larson in 1921. It records many things such as blood pressure, pulse, respiration, and skin conductivity while a person is asked a series of questions. then it can tell if the person is lying by how much that information changes when the person answers. -
Luminol
luminol is a chemical that is made for tracing blood. It was discovered by walter specht. it glows blue when it comes in contact with blood/ -
Facial Recognition
Facial recognition is used to compare 2 people or 2 faces. its used when there is video evidence ad you need to match the face to the person in the video. It was discovered by Woodrow Wilson Bledsoe in the 1960's -
OJ Simpson
June 13th, 1994, ron goldman and OJ Simpson's ex wife nicole
brown were found dead outside her house stabbed multiple times. When police arrived on the scene detective mark fuhrman jumped the gate thinking Mr. Simpson was injured. He opened the gate for 3 other detectives and they all ran in the house, tampering all of the evidence. when mr simpson went to trial, he was found not guilty on october 3, 1995, because of the police tampering the evidence. -
AFIS(automated fingerprint identification system)
Afis is the process of using a computer to match fingerprints against a database of known and unknown prints in the fingerprint identification system. this gives police and FBI a greater chance at finding the suspect. They can match fingerprints from crime scenes to fingerprints in the database.