Conclusion

In literature, Sherlock Holmes, the character of Conan Doyle, was able to solve crimes, murders and crime in a society where criminal had a prominent place, due to his logical deduction and his esperience more or less aleatory. He managed to discover a chemical process involving hydrogen peroxide which foams only when it is in presence of a catalysis, in this case the iron present in hemoglobin. Sherlock Holmes actually deserved his notoriety. Gradually, innovations in terms of technology led forensics to generate many changes. Adventures of the famous detective have been adapted to both cinema and TV shows, mainly American. Forensic have transformed thanks to chemists and engineers improving test equipments making them safer. Luminol became Blustar, which detects the presence of even the smallest particle of blood by turning into a glossy blue light.