In an interrogation, forensic investigators gather, store, and examine scientific proof. Even though some investigators travel to the crime scene to retrieve the samples directly, others carry on a lab function, conducting analyzes of items delivered to them by other people. In the term forensic refers to a public conversation or review. Since trials were usually conducted in open in the old world it brings a clear connotation of the judiciary, while science is related with truth by applying scientific method or a systematic way of knowledge acquisition.
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