A safer way for police to test drug evidence

Scientists have demonstrated a way for police to quickly and safely test whether a baggie or other package contains illegal drugs without having to handle any suspicious contents directly. The new technique can limit the ...

Lab-on-a-chip helps search for human DNA at crime scenes

Thanks to the work carried out by University of Twente Ph.D. candidate Brigitte Bruijns, crime scenes can now be inspected on the spot for the presence of human DNA. In her Ph.D. thesis, she describes a lab-on-a-chip that ...

New protocol for measuring background levels of drugs in crime labs

When crime lab chemists handle evidence that contains illegal drugs, trace amounts of those drugs are inevitably released into the laboratory environment. When chemists scoop a bit of powder to test it, for instance, microscopic ...

Study: DNA may have only modest impact on sexual assault arrests

Most arrests in sexual assault cases occur before crime laboratory results are available, a new study found, suggesting that DNA testing may influence arrests in just a small number of cases.The paper is among the first studies ...

Ballistics imaging systems effective with good management

During a homicide epidemic in Trinidad and Tobago driven mainly by guns, the developing country had forensic ballistics imaging technology, but faced problems effectively using it to solve crimes, according to a study at ...

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