THE EFFECTIVENESS OF INDONESIAN NATIONAL POLICE FUNCTION ON BANGGAI REGENCY POLICE INVESTIGATION (Investigation Case Study Year 2008-2016)

Criminal justice processes are frequently unwell-implemented due to various investigators’ shortcomings in performing the ir function. This research aims to determine and analyze the effectiveness of the police investigation into the handling of Criminal Offenses in Banggai. This research employed socio-juridical methods approach particularly descriptive analytical research. The data a nalysis was conducted by descriptive qualitative and quantitative analysis. The results showed that: the re is an imbalance between investigators and number of crimes ; 70% of suspects were arrested by investigators without warrant ; discrimination among suspect s in investigation process occurs ; investigator s would prefer interrogating suspect without being assisted by lawyer; limited information given by the investigators to suspect’ s family ; suspects were detained without according to t h e applicable law and regulations. Keywords : effectiveness, police, investigation process