Forensic science (often shortened to forensics) is the application of a broad spectrum of sciences to answer questions of
interest to the legal system. This may be in relation to a crime or to a civil action. But besides its relevance to the underlying
legal system, more generally forensics encompasses the accepted scholarly or scientific methodology and norms under
which the facts regarding an event, or an artifact, or some other physical item (such as a corpse, or cadaver, for example)
are to the broader notion of authentication whereby an interest outside of a legal form exists in determining whether an
object is in fact what it purports to be, or is alleged as being.

The word “forensic” comes from the Latin adjective “forensis” meaning of or before the forum. During the time of the
Romans, a criminal charge meant presenting the case before a group of public individuals in the forum. Both the person
accused of the crime and the accuser would give speeches based on their side of the story. The individual with the best
argument and delivery would determine the outcome of the case. Basically, the person with the sharpest forensic skills
would win. This origin is the source of the two modern usages of the word "forensic" - as a form of legal evidence and as a
category of public presentation.

In modern use, the term "forensics" in place of "forensic science" can be considered incorrect as the term "forensic" is
effectively a synonym for "legal" or "related to courts". However, the term is now so closely associated with the scientific field
that many dictionaries include the meaning that equates the word "forensics" with "forensic science".

Methods of Forensics:
DNA
Finger Print Analysis
Fiber Analysis
Chemical Analysis
Residue Analysis

Source: WikepediA
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