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New advances in forensic science technology are taking investigation to an entirely new level, assisting investigators as they solve crimes that had previously stumped even the top minds in the game. Intriguing technologies are spreading rapidly around the globe, helping investigators and forensic experts solve the most brutal and challenging crimes today, including rape, murder, and arson.
What you might not know is that turmeric can be used to highlight and identify fingerprints as well as traces of drug abuse and other identifying characteristics of a suspect.
The procedure is simple: The findings are then passed on to forensic investigators. Now, a new and better method has emerged.
The new technique is already making its way from the French Police to Scotland Yard, the FBI, and many other police jurisdictions throughout the world. Science to the Rescue with Visible Wavelength Hyperspectral Imaging The Northern Echo reports that a scientific team from Teesside University has found a way to detect even the minutest of bloodstains.
Researchers use a camera equipped with a liquid-crystal tunable filter that takes pictures in multiple wavelengths, distinguishing between blood and other dark stains.
The method involves no contact with the substance of interest, leaving it untouched so other investigators can use it for forensic procedures including DNA analysis. Since even the best workers using existing technology can sometimes miss minute blood stains or misidentify a stain which later turns out not to be bloodthis technique will no doubt catch on pretty quickly.
Chemist Meez Islam and his colleagues at Teesside are currently working on a prototype of this device, hoping to develop it for broader use with proper funding.
In a breakthrough development, the Teesside scientists can also pinpoint the age of a month-old blood stain to within a day. Fresh blood samples can be analyzed fast, which makes it possible to determine time of death on the scene.
Investigators will be able to much more quickly work through the case and compile a chronology of events, helping justice move a little faster. Taking a Look at Chemical Signatures on Common Fibers Many fabrics today go through treatment processes to make them waterproof, stain-resistant, and wrinkle-free.
As a result, clothing often carries residual chemicals in its fibers. Soon, a technique to help investigators identify clothing fibers may be on the way. XPS can now work with the smallest of samples and gives results in mere minutes.
Detectives could soon have a way to trace leads from clothing that would have been impossible before. NZ writer Ian Steward, investigators were forced to discard such samples, since there was no way to separate the DNA to provide information for police and detectives on the crime.
To rectify this situation, New Zealand scientists have created software — known as STRmix — which can currently separate the DNA of up to four individuals. Simple cases take only seconds, while more complex cases may take days to decipher.
The Future of New Technologies in Forensic Science These new developments signal an exciting future for forensic science technology. While they are already making a difference in forensic investigations, the most promising new technologies in forensic science may still be in the future.
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He came to the United States in to study forensic science, and earned a degree from John Jay College of Criminal Justice and a PhD in human genetics and biochemistry from New York University. After working at the NYU Medical Center, he established a forensic science program at the University of New Haven in Detective Wction and the rise of forensic science / Ronald R.
Thomas. 20 Illustrationsfrom ArthurConan Doyle’sThe Case for Spirit Photogra-phy (New York: George Doran and Company, ). Courtesy of In Detective Fiction and the Rise of Forensic Science, my task is. Nov 27, · As seen on The Discovery Channel, THE NEW DETECTIVES takes you into the world of high-tech detection and crime solution, following the trail of clues along with renowned forensic .
The New Detectives: Case Studies in Forensic Science () Unblock Netflix Now - Learn how to get US, UK & ALL Netflix content. Real-life forensic scientists solve baffling crimes by using a wide range of techniques to investigate the tiniest and most obscure of clues.