Rocephin is part of a class of drugs called cephalosporins. It prevents bacteria's ability to make and maintain their cell wall. Without a cell wall, bacteria are vulnerable and ultimately perish.
Criminalistics is one of many divisions in the field of forensic science. Forensic science includes forensic pathology, odontology, entomology, engineering, criminology, and other disciplines. All of these are specialized sections in forensic science.
A crime, also called an offence or a criminal offence, is an act harmful not only to some individual, but also to the community or the state. Such acts are forbidden and punishable by law. The idea that acts like murder, rape and theft are prohibited exists all around the world, and probably has universal moral basis.