Forensic science is applied for inquiries that are made in any legal issues and is a wide range of sciences which are put into use to solve any legal issues like crime or any kind of civil action. Apart from this, this science is used to verify any event that has taken place on any item which maybe physical like a cadaver or a corpse for instance. This science helps the legal system in getting down to the bottom of the crime and solving the issue. “Forensic’ is derived from the Latin word “forensic” which means “before the forum” or “of”. The key witness to a crime is one who has more valid reasons in solving the crime and whose argument is more effective. In this case it is being solved with scientific methods which are forensic skills and helps in solving the problem through scientific evidence. This is the expert forensic witness.
There are many different kinds of forensic sciences which are used to solve various crimes and are like a laboratory for this, similar methods are used to solve a crime like a physician would use in a diagnostic clinic to find out what disease a patient is suffering from. For instance:
· The study of the affect of poison and drugs on the human body is called forensic toxicology;
· To determine why a criminal behaved in the way he did is found out with forensic psychology using forensic methods once again;
· To find out the cause of a person’s death or how an injury occurred forensic pathology is used in which the methods of pathology and medicine are used;
· For identifying the body when it is too far decayed forensic deontology is used which is the way of studying teeth to get more clues on the identity of the body;
· To study the weather in the past when the incident took place the science is called forensic meteorology
· To trace evidence from petroleum, minerals and soil is called forensic geology
· To determine the location and time of death the insects around the human body are studied and this is called forensic entomology. This can even ascertain whether the body was shifted from the place where death occurred;
· The DNA analysis is a forensic science which determines paternity and even maternity as this is a unique part of each individual and cannot be duplicated;
· The combination of forensic science and archeological techniques to find out more information on a particular crime is called forensic archeology;
· To identify the human remains with the skeleton in a legal matter is called forensic anthropology which uses physical anthropology as the main technique;
· To recover more information and data from digital and electronic media with scientific methods which are proven is called digital forensics;
· The forensic science which answer most questions about the examination of a crime with trace evidence and biological evidence like tire tracks, footwear, bullets and finger prints is called criminalistics;
· The examination of handwriting on any document which is part of the legal proceedings when the identity of the author is questioned is the examination of a forensic document called question document examination;
· To elicit evidence and information from a witness is called forensic interviewing.