A suspect says it on every forensics TV show ... "Of course my
fingerprints were at their house, I delivered a package to them earlier
this week!" Soon, though, that excuse may not be enough. Using a new
technique, investigators could be better able to determine how many days
ago fingerprints were left at a crime scene.
A team led by researchers at the University of Surrey in the United Kingdom has developed a new, non-invasive test that's able to detect cocaine use in a patient by analyzing a single fingerprint. Unlike existing tests, the new technique is able to determine whether the subject has ingested the drug, rather than just touched it.
Australia's Sydney Trains has adopted a new approach to tackling
vandalism, trialling new technology designed to quickly alert staff to
offenders by sniffing out spray paint vapor. While only in its infancy,
the project, which know as "Mousetrap," has already produced some