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.
Responsibilities. Criminalists work with law-enforcement agencies on criminal cases and spend much of their time managing physical evidence. They may, for example, find and collect evidence at a crime scene, take it back to a lab and then analyze and interpret it using scientific techniques and practical experience.