PASCAL GOETGHELUCK / SCIENCE PHOTO LIBRARY PASCAL GOETGHELUCK / SCIENCE PHOTO LIBRARY
Forensic evidence for DNA (deoxyribonucleic acid) analysis. The blood and other biological material on this knife can be analysed for traces of genetic material, and compared to the DNA of suspects, or compared to DNA profiles held in databases. Photographed at the Scientific Police Laboratory of Marseilles, France.
Model release not required. Property release not required.