unravelling the mystery of kim jong - nam 's death mr kim died last week after two women accosted him briefly in a check - in hall at kuala lumpur international airport . image copyright epa image caption siti aisyah " met some people who looked japanese or korean " , indonesian officials said an indonesian woman arrested for the murder of the half - brother of north korea 's leader has said she was given 400 malaysian ringgit ( $ 90 ; £ 72 ) to carry out a prank . media playback is unsupported on your device media caption malaysian police have swept kuala lumpur airport for toxic chemicals there is widespread suspicion that north korea was behind the attack , which it strongly denies . image copyright reuters image caption vietnamese doan thi huong is the other woman being held malaysia 's police chief khalid abu bakar said on friday that the presence of the nerve agent had been detected in swabs taken from mr kim 's eyes and face . mr kim had sought medical help at the airport , saying someone had kuala lumpur , said saturday she did n’t know that the substance — subsequently identified by police say contained a lethal nerve agent known as vx — was poisonous . tests show mr kim was killed with the highly toxic nerve agent vx . at least seven other suspects are wanted by police . indonesian embassy officials met siti aisyah , 25 , on saturday in the malaysian capital .