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Apr 29, 600
The First Use of Finger Prints
It was the first time that finger prints were used to determine the identity of someone. -
First use of physical evidence on a case
First time that physical evidence was found and recorded in the scene of a murder. -
Identifying Poison
A way of finding if the cause of death was poison by examining the victims stomach. The developer was a German chemist Valentin Ross. -
First use of photo identification
San Fransisco was the first state in the US to use photo identification in a criminal case. -
It is now known that finger prints are unique
It was discovered that everyone's finger prints are different and unique -
Advances of DNA Lead to Conviction
A man would of likely gotten convicted of a murder of two teenage girls was proved innocent thanks to DNA finger printing. -
Fingerprints Used as Evidence
A police officer named Juan Vucetich used fingerprints he found in the scene of a murder as evidence to solve it. -
Hair can now be used to ID People
Research was done on different animal hairs at a microscopic level. The first ever case involving hair followed this new research. -
Realization that Guns could be Unique
Specialist realized that the tools used to make guns lave different markings on the barrel, and they leave a unique marking on the bullet when it is fired. After this they figured out a way to identify them. -
Lie Detector
The first lying detector used in police stations. -
Voice Recording is used as Evidence
After discovering that voices could be recorded from phones, and answering machines they were used as evidence in court. -
The First National Crime System
The FBI established a filling system via computer where it showed all wanted people and stolen vehicles, guns etc. -
New Technology to Detect Residue
New technology developed by Aerospace Corporation to be able to see how close a suspect was to the gun and to be able to connect them to the crime. -
Unique ID by DNA
D loop analysis is used for individual identification. Early techniques were developed by Sir Alec Jeffreye. He discovered the patterns of genetic material which he called "mini satellites" -
Faster Fingerprint IDs
The FBI established automated fingerprint identification and instead of it taking two weeks it takes two hours. -
DNA Profiling Speeds Up
Thanks to technology the speed of profiling was highly decreased from 6-8 weeks to between 1-2 days. -
Detection System for Footwear
Made it possible for the police to quickly identify the footwear of footprints at a crime scene. -
Detection after Cleaning
Made it possible to see and examine finger prints even after they have been cleaned. Making it more possible and easier to find evidence at a crime scene. -
Sketches are able to match Photos
Made it possible for hand drawn sketches to automatically match with mug shots stored in databases making it easier to find suspects with descriptions given by bystanders. -
