investigating committee investigating corruption investigating crimes investigating criminal offences investigating incidents investigating institution investigating judge investigating magistrates investigating magistrate investigating officer investigating one investigating team investigating the case investigating the death investigating the disappearance investigating the murder investigating the use investigating this case investigating investigation activities investigation agency investigation also revealed investigation also showed investigation authorities investigation began investigation board investigation bureau investigation by the commission investigation can investigation carried out investigation commission investigation committee investigation concerning investigation concluded investigation confirmed investigation continues investigation costs investigation could take investigation demonstrated investigation department investigation did not reveal investigation discovery investigation division investigation ends investigation established investigation file investigation focused investigation found investigation going investigation group investigation has been completed investigation has confirmed investigation has revealed investigation has shown investigation in accordance investigation in any way investigation in respect investigation indicates investigation into his death investigation into the accident investigation into the assassination investigation into the attack investigation into the circumstances investigation into the death investigation into the disappearance investigation into the events investigation into the incident investigation into the matter investigation into the murder investigation into this matter investigation is completed investigation is concluded investigation is going investigation is needed investigation is required investigation is still ongoing investigation is underway investigation led investigation may investigation measures investigation methods investigation must investigation needs investigation of accidents investigation of claims investigation of complaints investigation of crimes investigation of criminal offences investigation of fraud investigation of the assassination investigation of the case investigation of the causes investigation of the circumstances investigation of the events investigation of the murder investigation of the relationship investigation of this case investigation office investigation period investigation phase investigation plan investigation policy investigation powers investigation procedure investigation proceedings investigation process investigation progresses investigation regarding investigation report investigation results investigation revealed investigation services investigation service investigation shall investigation should investigation showed investigation shows investigation stage investigation started investigation team investigation techniques investigation to determine investigation to find investigation uncovered investigation unit investigation was closed investigation was conducted investigation was initiated investigation was launched investigation was opened investigation will be conducted investigation will continue investigation will investigation work investigation would investigational medicinal products investigational medicinal product investigational investigations are continuing investigations carried out investigations conducted investigations course investigations in relation investigations in this area investigations involving investigations on behalf investigations performed investigations prove investigations show investigations suggest investigations take investigations investigation to the investigation investigative actions investigative activities investigative authorities investigative body investigative commission investigative committee investigative division investigative efforts investigative experience investigative function investigative journalism investigative journalists investigative journalist investigative measures investigative mechanism investigative methods investigative powers investigative procedures investigative process investigative reporter investigative reporting investigative report investigative research investigative series investigative service investigative skills investigative team investigative techniques investigative tools investigative tool investigative unit investigative work investigative investigator assessed investigator assessment investigator-assessed investigators believe investigators could investigators discovered investigators found investigators have investigators need investigators say investigators think investigators to the investigators