A crime has been committed. The perpetrator thinks that it is the perfect crime. He walks away believing that there were no witnesses and that no evidence has been left behind. However, he is wrong. Forensic science is a silent witness to every crime. It is impossible for a criminal to act without leaving behind some sort of trace evidence, even if it is so minute that the most modern technology is necessary in order to find it. This is where forensic science comes into play.

Forensic science is a very diverse field, involving the work of pathologists, anthropologists, entomologists, toxicologists, mathematicians, artists, engineers, psychologists, etc. Forensic science can be defined simply as the application of science to law. Forensics can be used in a variety of situations such as civil cases, law violations in terms of food, drink, and medical manufacture, and even to determine if countries...