Evidence is a form of information.
Evidence will form a basic for belief that the particular fact or facts are true. Evidence will provide the answer to the questions of fact.
The concept and function of evidence may have no legal properties.
People or inquirers will use evidence to inquire the existence or non existence of the facts for a wide variety of different reasons.
These inquirers may include scientist, police detectives, journalist,historian or even the court of law.
The inquirers may collect and evaluate evidence.
The inquirers from different fields may be interested in the same matter of fact. For instance, the police officer, forensic scientist, court of law, historians and investigative journalist may inquire successively to the fact regarding a murder case.
Different inquirers apply different procedures for collecting, analysing and evaluating the evidence or information.
This usually depends on the person who makes the inquiries. They may have special qualification of experience and the resources available for the purpose of the inquiry.