kuala lumpur vietnamese woman accuse kill half-brother north korea leader capture camera make aggressive attack two days similar act another person police investigator tell malaysian court tuesday doan thi huong 28 charge along siti aisyah indonesian woman kill kim jong nam smear face vx chemical poison ban unite nations kuala lumpur airport feb. 13. stark difference huong movements two close circuit television record make airport third level departure hall say police official wan azirul nizam che wan aziz first record feb. 11 show huong approach unidentified member public behind wipe something person face soft manner say appear apologize place hand together bow head retreat slowly add wan azirul member airport district criminal investigations department similar act carry kim jong nam quite rough seem like attack wan azirul say act seem aggressive differences saw movements compare accuse doan move quick rush manner say use huong first name women plead guilty say think involve sort prank reality tv show face death penalty convict chemical weapons expert raja subramaniam say degradation products vx find huong fingernails rest hand trace vx find clothe wear accuse women subramaniam say court last week tuesday subramaniam also declare impossible theory vx create combine together two non-poisonous chemicals say would require large amount heat order work experts early suggest women give non-lethal substance form deadly combination smear victim face hisyam teh huong lawyer argue cross-examination could know handle vx sane person make aware liquid vx basically deadly nerve agents would put hand vx get administer add trial resume wednesday camera show vietnamese suspect 's 'aggressive attack kim jong nam police