Forensic science is a multi-disciplinary subject that applies a broad spectrum of sciences to answer question of interest in legal systems. It uses highly developed technologies in discovering scientific evidences used in the courts of law. This can help in a wide range of situations such as laws or regulations violated for marketing food and drugs, manufacture of medicines, and automobile emissions. However, forensic science is commonly used in crime scene investigations such as robbery, assaults, rape, and murder. A number of sub-disciplines in forensic science are currently being practiced which include criminalistics, forensic economics, forensic entomology, forensic ballistics, and forensic engineering. Forensic scientists work in laboratories, crime scenes, or morgues and they may work for the government, police departments, forensic laboratories, hospitals, and universities.