(CNN) -- A New Orleans grand jury that declined to indict a doctor on charges that she murdered patients in the chaotic days after Hurricane Katrina never heard testimony from five medical experts brought in by the state to analyze the deaths. All five concluded that as many as nine patients were victims of homicide. In detailed, written statements, the five specialists -- whose expertise includes forensic medicine, medical ethics and palliative care -- determined that patients at Memorial Medical Center had been deliberately killed with overdoses of drugs after Katrina struck New Orleans in 2005. The grand jury had...