... Marsh Test is used to identify small amounts of arsenic poison Mathieu Joseph Bonaventure Orfila used the test in eighteen forty to help solve a disputed murder case in France Mister Orfila is considered ... poison in the bodies of victims The technologies also help investigators collect evidence after a crime VOICE TWO: Forensic radiology is another modern method used by investigators to solve crimes ... most situations, forensic investigators solve violent crimes How does forensic medicine establish facts about something that is unexplained? How does it provide evidence that can be used against...