Crime investigation is an applied science that involves the study of facts used to identify , locate
and prove the guilt of an accused criminal. A complete criminal investigation can include searching ,
interviews interrogations , evidence collections and preservation and various methods of investigation.
Modern day criminal investigation commonly employ many modern scientific techniques known
collectively as forensic science.
Criminal investigation is an ancient science they may have roots as for back as 1700 BCE in the
writing of the code of Hammurabi. In the code it is suggested that both the accuser and the accused had
the right to present evidence they collected. In the modern criminal investigation are most of the done
by Government police forces private investigation are also commonly hired to complete or assist in
criminal investigation.