Here they work on things such as forgeries, alterations, signature comparisons, inks, and photography. The fourth type of lab is a toxicology lab. They are similar to full service labs in that they work with body fluids, but they are different in that they study organs of the body to determine the presence or absence of drugs and poisons. Forensic anthropologist identify bodies or skeletons that are found, and can also be called to disaster scenes such as plane crashes or explosions to identify bodies there. Forensic anthropologists are usually a physical anthropologist with a major concentration in the study of human skeletal biology.
Forensic chemistry is the use of chemical analysis to help determine what happened in a case.
Forensic criminalists are scientists that study the scene of a crime and try to determine who the criminal is. They usually have a strong background in forensic chemistry. They usually graduate with a chemistry degree or a related science, and before they can start investigations, they must have extensive training in forensic methods and techniques. Forensic nurses work with both crime scene investigations and areas like rape crisis centers. They usually work alongside with Forensic social workers.