Forensic Science is science used for the purposes of the law, and therefore provides impartial scientific evidence for use in the courts of law Forensic Science is a subject, drawing principally from chemistry and biology, but also physics.
In a typical criminal investigation crime scene investigators, will gather evidence from the crime scene, victim and suspect. Forensic will examine these materials to provide scientific evidence to assist in the investigation and court proceedings, and thus work closely with the police. Senior forensic scientists, who usually specialize in one or more of the key forensic disciplines, may be required to attend crime scenes or give evidence in court as impartial expert witnesses.
