Performs responsible technical work in developing and validating the police database.  Conducts analysis of incident data, assists in the preparation of special reports, works in conjunction with all local, state, and national law enforcement agencies on wanted and missing persons, stolen or recovered property, and criminal history information.  Operates and enters files into the N.C.I.C. and D.C.I. computer systems and may be required to prepare clear, comprehensive reports from information obtained directly from offices or citizens.