North Korea has not identified the man who died as Kim Jong-nam, only as a North Korean citizen
Kim Jong-nam: VX dose was 'high and lethal' - BBC News
大馬：金正男身中劇毒 15-20分鐘內痛苦喪命 - BBC 中文网
Khalid Abu Bakar, Malaysia’s national police chief, speaking to reporters in Kuala Lumpur on Thursday.
Kim Jong-nam Was Killed by VX Nerve Agent, Malaysians Say - 紐約時報中文網 國際縱覽