LOUISE MURRAY / SCIENCE PHOTO LIBRARY LOUISE MURRAY / SCIENCE PHOTO LIBRARY
Collecting forensic evidence. Forensics officer using forceps to collect soil samples from beneath a shoe. Soil samples can provide important evidence in criminal investigations. The soil can be analysed using microscopes, x-ray diffraction and DNA sequencing to provide detailed information on the soil composition. This information can be compared to a soil type database and matched to a geographical location. This evidence can be used to trace the movements of the suspect in relation to the crime. Photographed at the Macaulay Institute, Aberdeen, UK.
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