Criminal scene investigation has always had its pattern, a few things changes, though, it reminds static, true. The forensic science changed the modern methods of investigation, which became more dynamic and thorough. It is not a piece of cake to solve a murder case; or any criminal case in particular. One must be aware of that; there are issues which must be taken into consideration such as increasing judicial reviews of science and technology in the courtroom and the specter of terrorism and reasons of mass destruction with which first respondents forensic scientists and medical examiners will handle with. Every criminal case investigation requires professional form and many disciplines to work cooperatively to achieve a common goal – case solving. The science technology becomes a critical element. Its whole potential must be used to comprehend the complexity of the crime and help to save lives. The police investigators are responsible for identifying witnesses, suspects a...