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Carl Wilhelm Scheele
He made plenty of chemical discoveries that later on helped to solve crimes. Additionally, Scheele worked as a pharmacist for several years and his whole life, he spoke German. -
James Marsh
Marsh was a famous british chemist. He was really involved in chemistry and later on, he invented a technique that helped in murder cases. Also, he worked on a murder case to identify the chemicals found on the crime scene. -
body tissue
Jean servais stas , a chemistry professor was the first sucessfully to identify poisons in body tissue to figure differnt types of people with differnt types of diseases -
FORENSICS PHOTOGRAPHY
A man named odelbrecht first was in use of photograpghy to identify evidence of certian crimes of criminals in particular crime scenes. -
Henry System for fingerprint classification
This system allows to print fingers of ten based on patterns and description .And to be placed and recorded in to primary groupings ,and to also exclude potential candidates. Although ,the Henry system is not essential for automated systems but manually. -
Juan Vucetich
Vucentich immigrated to Argentina in 1891. He solved one of the biggest murder cases in Argentina by using fingerprints left on the crime scene. Later on, local police started using this method to solve crimes. -
different blood cells dicovered
A professor, Dr. Karl Landsteiner who teached in University of Vienna, while researching blood cells he discovers that the cells fall into different groups. These groups are eventually labeled as types, A, B, AB, and O. -
First Forensics textbook
This text book was first used to identify varoius weapons leading to murder. A muder occured and went to trail, judge then decided All short-handled farming tool with a semicircular blade, used for cutting grain, lopping, or trimming called a sickle was a muder weapon and that it should be confiscated right away. -
Microscopes
Using microscopes, U.S. Army Colonel Calvin Goddard perfects the technique for identifying markings left on bullets by the gun from which they were shot. -
automobile
American police begin the widespread use of the automobile -
Bite marks
A dentist evaluated a person bite marks independently and both concluded that the marks were made same match as some other partner . this had showed scentists that bite marks were important to identify and to use in future cases -
NCIC
National Crime Information Center The FBI inaugurates the, the first national law enforcement computing center. It is a computerized national filing system on wanted persons and stolen vehicles, weapons, and other items of value. One observer notes NCIC was "the first contact most smaller departments had with computers." -
The National Institute of Justice
Mid-1970s
The National Institute of Justice funds the Newton, Massachusetts, Police Department to assess the suitability of six models of night vision devices for law enforcement use. The study leads to the widespread use of night vision gear by today's police agencies. -
a 3-digit # Made for help of emergency
911 -- for emergency calls to the police, fire and other emergency services. Within several years, 911 systems are in widespread use in large urban areas.Police departments begin implementing 911, which allows dispatchers to see on their computer screens the addresses and telephone numbers from which 911 emergency calls originated. -
A PART OF INVESTIGATION
Departments in New York, Chicago, and elsewhere increasingly use sophisticated computer programs to map and analyze crime patterns.
