Poh. Hence, on 8 December 1998, 24-year-old Jonaris was found guilty of murder and sentenced to death. He was hanged on an unspecified date. This case was Chao's last known major case before his death in February 2000. References Singaporean pathologists Hong Kong emigrants to Singapore Crime in Singapore Alumni of Queen Mary University of London Catholic High School, Singapore alumni 1934 births 2000 deaths Recipients of the Pingat Pentadbiran Awam