Undertaking Effective Investigations A Guide for National Human Rights Institutions THE MULRUNJI CASE WHO WERE THE POSSIBLE WITNESSES? Background and context • Mulrunji family members and friends • Residents of Palm Island, including the Mayor and other officials • Persons with knowledge of policing on Palm Island, including officers posted there The event • All the police officers at the police watch-house • Anyone else at the police watch-house, including civilian staff, civilians and prisoners • PLO Benjaroo • Anyone who witnessed Mulrunji’s arrest • Anyone who saw the police vehicle between the place of arrest and the watch-house • Ambulance personnel who attended the police station • Anyone any officer at the station spoke to, immediately after the event After the event • QPS investigators, including Scenes of Crime Officers • CMC investigators • Forensic pathologist and mortuary attendants • Forensic pathologists at the second autopsy • Use of force experts If the investigators were looking at systemic issues • Expert in culture and history of Aboriginal communities • Expert in culture and history of QPS • Australian Human Rights Commission regarding similar incidents and lessons learned • Expert in best practices regarding custody of prisoners in similar situations • Expert in police chain of command • Expert in police use of force • Expert in how to conduct investigations into deaths in police custody 46