【金正男氏殺害】遺体から猛毒「VX」検出 実行犯の女は「洗い流した」?

呼吸器や皮膚から吸収されて微量で死に至る。
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A reporter holds up a local newspaper during his report in front of the morgue at Kuala Lumpur General Hospital where Kim Jong Nam's body is held for autopsy in Malaysia February 18, 2017. REUTERS/Athit Perawongmetha
Athit Perawongmetha / Reuters

北朝鮮の金正男氏殺害事件に使われた薬品は、猛毒の神経剤「VX」と特定された。

現地紙「スター・オンライン」によると、マレーシア警察のカリド・アブ・バカル長官は2月24日、声明を発表し、予備的分析の結果、遺体の目と顔から検出された成分が、VXと一致したことを明らかにした。その他の成分についてはまだ分析中という。

VXはサリンなどと同じ有機リン系の化学剤。無味無臭で極めて毒性が強く、呼吸器や皮膚から吸収されて微量で死に至る。日本では「オウム真理教」が1994年から95年にかけて、被害対策弁護団の弁護士や大阪の会社員らを信徒がVXで襲撃し4人を死傷させたとして、教団幹部らの死刑判決が確定している。

実行犯の疑いで逮捕された女は、薬品を金正男氏の顔に塗ったあと、犯行後にトイレで手に着いた薬品を洗い流していた。アメリカ連邦捜査局(FBI)アカデミーで毒性学を講義するジョン・トレストレール氏は韓国紙・中央日報の取材に「素手で触っても皮膚に浸透せずに安全な薬品など、私の知る限りない」と述べている。

一方で昭和大学薬学部の沼沢聡教授はテレビ朝日に対し「皮膚に付着した場合には、吸収されるまで一定の時間がかかる。例えば10分から30分程度、ほとんど症状が出てこない。その後、症状が出始めるが、それが急速に進行して、数時間で死に至る」と話している。

金正男氏殺害
In a picture taken on June 4, 2010 Kim J(01 of30)
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In a picture taken on June 4, 2010 Kim Jong-Nam, the eldest son of North Korean leader Kim Jong-Il, waves after an interview with South Korean media representatives in Macau. Kim Jong-Nam was in the limelight with Seoul\'s JoongAng Ilbo newspaper carrying a snatched interview with him at a hotel in Macau. Jong-Nam declined knowledge of the warship incident, it reported, and said his father is \'doing well\'. North Korean Leader Leader Kim Jong-Il on June 7 attended a rare second annual session of parliament at which Kim\'s brother-in-law was promoted and the country\'s prime minister was sacked, state media reported. REPUBLIC OF KOREA OUT AFP PHOTO / JOONGANG SUNDAY VIA JOONGANG ILBO (Photo credit should read JoongAng Sunday/AFP/Getty Images) (credit:AFP via Getty Images)
SKOREA-NKOREA-MALAYSIA-POLITICS-KIM-BROTHER(02 of30)
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A man watches a television showing news reports of Kim Jong-Nam, the half-brother of North Korean leader Kim Jong-Un, in Seoul on February 14, 2017.\nKim Jong-Nam, the half-brother of North Korean leader Kim Jong-Un has been assassinated in Malaysia, South Korean media reported on February 14. / AFP / JUNG Yeon-Je (Photo credit should read JUNG YEON-JE/AFP/Getty Images) (credit:JUNG YEON-JE via Getty Images)
SKOREA-NKOREA-MALAYSIA-POLITICS-KIM-BROTHER(03 of30)
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A man watches a television showing news reports of Kim Jong-Nam, the half-brother of North Korean leader Kim Jong-Un, in Seoul on February 14, 2017.\nKim Jong-Nam, the half-brother of North Korean leader Kim Jong-Un has been assassinated in Malaysia, South Korean media reported on February 14. / AFP / JUNG Yeon-Je (Photo credit should read JUNG YEON-JE/AFP/Getty Images) (credit:JUNG YEON-JE via Getty Images)
SKOREA-NKOREA-MALAYSIA-POLITICS-KIM-BROTHER(04 of30)
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People watch a television showing news reports of Kim Jong-Nam, the half-brother of North Korean leader Kim Jong-Un, at a railway station in Seoul on February 14, 2017.\nKim Jong-Nam, the half-brother of North Korean leader Kim Jong-Un has been assassinated in Malaysia, South Korean media reported on February 14. / AFP / JUNG Yeon-Je (Photo credit should read JUNG YEON-JE/AFP/Getty Images) (credit:JUNG YEON-JE via Getty Images)
MALAYSIA-NKOREA-SKOREA-KIM-BROTHER(05 of30)
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A pedestrian walks in front of a clinic where a North Korean man suspected to be Kim Jong-Nam, half-brother of North Korean leader Kim Jong-Un is believed had been taken at Kuala Lumpur International Airport 2 (KLIA 2) in Sepang, outside Kuala Lumpur on February 14, 2017. \nThe half-brother of North Korean leader Kim Jong-Un has been assassinated in Malaysia, South Korean media reported, with one TV station saying he was attacked at the country\'s main airport with poisoned needles. / AFP / MOHD RASFAN (Photo credit should read MOHD RASFAN/AFP/Getty Images) (credit:MOHD RASFAN via Getty Images)
North Korean leaders half-brother killed in Malaysia(06 of30)
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KUALA LUMPUR, MALAYSIA - FEBRUARY 15: A hospital van exiting the Forensic Department of the Putrajaya Hospital outside Kuala Lumpur on February15, 2017. 45-year-old Kim Jong-nam was assassinated at an airport in Malaysia by a pair of unidentified women who allegedly murdered him using poisoned needles before escaping from the scene, reported. (Photo by Alexandra Radu/Anadolu Agency/Getty Images) (credit:Anadolu Agency via Getty Images)
MALAYSIA-NKOREA-SKOREA-KIM-BROTHER(07 of30)
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A van leaves the area outside the forensic department of Putrajaya Hospital in Putrajaya, outside Kuala Lumpur on February 15, 2017, where the body of a North Korean man believed to be Kim Jong-Nam, the half-brother of North Korean leader Kim Jong-Un, was reportedly brought from Kuala Lumpur International Airport.\nSouth Korea confirmed on February 15 that North Korean leader Kim Jong-Un\'s half brother has been murdered in Malaysia, confirming reports of his assassination at Kuala Lumpur\'s airport. / AFP / STR / Malaysia OUT (Photo credit should read STR/AFP/Getty Images) (credit:STR via Getty Images)
MALAYSIA-NKOREA-SKOREA-KIM-BROTHER(08 of30)
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Malaysian police cars and a van (behind) leave the forensic department of Putrajaya Hospital in Putrajaya, outside Kuala Lumpur on February 15, 2017, where the body of a North Korean man believed to be Kim Jong-Nam, the half-brother of North Korean leader Kim Jong-Un, was reportedly brought from Kuala Lumpur International Airport.\nSouth Korea confirmed on February 15 that North Korean leader Kim Jong-Un\'s half brother has been murdered in Malaysia, confirming reports of his assassination at Kuala Lumpur\'s airport. / AFP / STR / Malaysia OUT (Photo credit should read STR/AFP/Getty Images) (credit:STR via Getty Images)
MALAYSIA-NKOREA-SKOREA-KIM-BROTHER(09 of30)
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A North Korean flag flies over North Korea\'s embassy in Kuala Lumpur on February 15, 2017, a day after it was reported that a North Korean man suspected to be Kim Jong-Nam, half-brother of North Korean leader Kim Jong-Un, had been assasinated.\nSouth Korea confirmed on February 15 that North Korean leader Kim Jong-Un\'s half brother has been murdered in Malaysia, confirming reports of his assassination at Kuala Lumpur\'s airport. / AFP / MANAN VATSYAYANA (Photo credit should read MANAN VATSYAYANA/AFP/Getty Images) (credit:MANAN VATSYAYANA via Getty Images)
North Korean Leader's Half-Brother Kim Jong-nam Killed In Malaysia(10 of30)
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KUALA LUMPUR, MALAYSIA - FEBRUARY 15: Police officers guard the entrance of the forensic department of Kuala Lumpur General Hospital, where the body Jong-nam is believed to be, on February 15, 2017 in Kuala Lumpur, Malaysia. North Korean leader Kim Jong Un\'s older half-brother Kim Jong Nam was killed in Malaysia on Monday, said the Malaysian police. Based on South Korea\'s news channels, the estranged half brother of Kim Jong-un was assassinated at the international airport in Kuala Lumpur by two women believed to be North Korean operatives, who stabbed him with poisoned needles. Kim Jong-nam, the eldest son of the former North Korean leader, Kim Jong-il, was once considered the heir to power in North Korea but fell out of favor in 2001 after he was seized by Japanese authorities at Narita Airport for trying to enter the country on a forged Dominican Republic passport. (Photo by Rahman Roslan/Getty Images) (credit:Rahman Roslan via Getty Images)
North Korean Leader's Half-Brother Kim Jong-nam Killed In Malaysia(11 of30)
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KUALA LUMPUR, MALAYSIA - FEBRUARY 15: Police officers and security guard the entrance of the forensic department of Kuala Lumpur General Hospital, where the body Jong-nam is believed to be, on February 15, 2017 in Kuala Lumpur, Malaysia. North Korean leader Kim Jong Un\'s older half-brother Kim Jong Nam was killed in Malaysia on Monday, said the Malaysian police. Based on South Korea\'s news channels, the estranged half brother of Kim Jong-un was assassinated at the international airport in Kuala Lumpur by two women believed to be North Korean operatives, who stabbed him with poisoned needles. Kim Jong-nam, the eldest son of the former North Korean leader, Kim Jong-il, was once considered the heir to power in North Korea but fell out of favor in 2001 after he was seized by Japanese authorities at Narita Airport for trying to enter the country on a forged Dominican Republic passport. (Photo by Rahman Roslan/Getty Images) (credit:Rahman Roslan via Getty Images)
North Korean Leader's Half-Brother Kim Jong-nam Killed In Malaysia(12 of30)
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KUALA LUMPUR, MALAYSIA - FEBRUARY 15: Police officers guard the entrance of the forensic department of Kuala Lumpur General Hospital, where the body Jong-nam is believed to be on February 15, 2017 in Kuala Lumpur, Malaysia. North Korean leader Kim Jong Un\'s older half-brother Kim Jong Nam was killed in Malaysia on Monday, said the Malaysian police. Based on South Korea\'s news channels, the estranged half brother of Kim Jong-un was assassinated at the international airport in Kuala Lumpur by two women believed to be North Korean operatives, who stabbed him with poisoned needles. Kim Jong-nam, the eldest son of the former North Korean leader, Kim Jong-il, was once considered the heir to power in North Korea but fell out of favor in 2001 after he was seized by Japanese authorities at Narita Airport for trying to enter the country on a forged Dominican Republic passport. (Photo by Rahman Roslan/Getty Images) (credit:Rahman Roslan via Getty Images)
North Korean leaders half-brother killed in Malaysia(13 of30)
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KUALA LUMPUR, MALAYSIA - FEBRUARY 15: A Malaysian police officer guards the entrance to the Institute of Forensic Medicine of Kuala Lumpur Hospital as a Forensic Police car enters the gate on February15, 2017. 45-year-old Kim Jong-nam was assassinated at an airport in Malaysia by a pair of unidentified women who allegedly murdered him using poisoned needles before escaping from the scene, reported. (Photo by Alexandra Radu/Anadolu Agency/Getty Images) (credit:Anadolu Agency via Getty Images)
NORTHKOREA-MALAYSIA/KIM(14 of30)
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Media journalists scuffle with a police officer as they try to interview a North Korea official at the morgue at Kuala Lumpur General Hospital where Kim Jong Nam\'s body is held for autopsy in Malaysia February 15, 2017. REUTERS/Edgar Su (credit:Edgar Su / Reuters)
NORTHKOREA-MALAYSIA/KIM(15 of30)
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A North Korea official leaves the morgue at Kuala Lumpur General Hospital where Kim Jong Nam\'s body is held for autopsy in Malaysia February 15, 2017. REUTERS/Edgar Su TPX IMAGES OF THE DAY TPX IMAGES OF THE DAY (credit:Edgar Su / Reuters)
NORTHKOREA-MALAYSIA/KIM(16 of30)
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A North Korea official arrives at the morgue at Kuala Lumpur General Hospital where Kim Jong Nam\'s body is held for autopsy in Malaysia February 15, 2017. REUTERS/Edgar Su (credit:Edgar Su / Reuters)
NORTHKOREA-MALAYSIA/KIM(17 of30)
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Members of the media ask police questions at the morgue at Kuala Lumpur General Hospital where Kim Jong Nam\'s body is held for autopsy in Kuala Lumpur, Malaysia February 15, 2017. REUTERS/Edgar Su (credit:Edgar Su / Reuters)
Malaysian police investigate the killing of the half-brother of North Korea's leader(18 of30)
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Korean TV-Chosun reporter prepareing a TV report about Kim Jong-nam\'s a murder case at outside of Kuala Lumpur hospital on February 16, 2017 at Kuala Lumpur, Malaysia. (Photo by Chris Jung/NurPhoto via Getty Images) (credit:NurPhoto via Getty Images)
Malaysian police investigate the killing of the half-brother of North Korea's leader(19 of30)
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Hundreds of reporters prepareing reports about Kim Jong-nam\'s a murder case at outside of Kuala Lumpur hospital on February 16, 2017 at Kuala Lumpur, Malaysia. (Photo by Chris Jung/NurPhoto via Getty Images) (credit:NurPhoto via Getty Images)
Kim Jong Nam murder in Malaysia(20 of30)
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KUALA LUMPUR, MALAYSIA - FEBRUARY 16: A Malaysian police officer guards the entrance to the Forensic Department of Kuala Lumpur Hospital where forensic investigation regarding Kim Jong Nam\'s death takes place, in Kuala Lumpur on February 16, 2017. Kim Jong Nam, the North Korean leader\'s older half brother, was killed in an attack with poison on the Kuala Lumpur International Airport on Monday, Feb 13th 2017. The Malaysian Police have arrested so far 3 persons as an official report mentions. (Photo by Alexandra Radu/Anadolu Agency/Getty Images) (credit:Anadolu Agency via Getty Images)
(21 of30)
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NORTHKOREA-MALAYSIA/KIM-ENVOY(24 of30)
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North Korean ambassador to Malaysia Kang Chol speaks during a news conference regarding the apparent assassination of Kim Jong Nam, the half-brother of the North Korean leader, at the North Korean embassy in Kuala Lumpur, Malaysia, February 20, 2017. REUTERS/Athit Perawongmetha (credit:Athit Perawongmetha / Reuters)
NORTHKOREA-MALAYSIA/KIM-ENVOY(25 of30)
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North Korean Ambassador to Malaysia Kang Chol speaks during a news conference at the North Korean embassy in Kuala Lumpur, Malaysia, February 20, 2017. Kang Chol on Monday insisted that the victim of last week\'s murder at Kuala Lumpur\'s main airport was not Kim Jong Nam, the estranged half-brother of North Korean leader Kim Jong Un. REUTERS/Athit Perawongmetha TPX IMAGES OF THE DAY (credit:Athit Perawongmetha / Reuters)
TOPSHOT-MALAYSIA-NKOREA-SKOREA-KIM-COURT(26 of30)
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TOPSHOT - Vietnamese national Doan Thi Huong (L), 28, is escorted with a heavy police presence after a court appearance with Indonesian national Siti Aisyah, 25, at the magistrates\' court in Sepang on March 1, 2017, for their alleged role in the assassination of Kim Jong-Nam, the half-brother of North Korean leader Kim Jong-Un.\nTwo women were charged March 1 with the murder of Kim Jong-Nam, the half-brother of North Korea\'s leader, after his assassination at a Malaysian airport last month. / AFP / MOHD RASFAN (Photo credit should read MOHD RASFAN/AFP/Getty Images) (credit:MOHD RASFAN via Getty Images)
MALAYSIA-NKOREA-SKOREA-KIM-COURT(27 of30)
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Indonesian national Siti Aisyah (C), 25, is escorted with a heavy police presence after a court appearance with Vietnamese national Doan Thi Huong, 28, at the magistrates\' court in Sepang on March 1, 2017, for their alleged role in the assassination of Kim Jong-Nam, the half-brother of North Korean leader Kim Jong-Un.\nTwo women were charged March 1 with the murder of Kim Jong-Nam, the half-brother of North Korea\'s leader, after his assassination at a Malaysian airport last month. / AFP / MOHD RASFAN (Photo credit should read MOHD RASFAN/AFP/Getty Images) (credit:MOHD RASFAN via Getty Images)
MALAYSIA-NKOREA-SKOREA-KIM-COURT(28 of30)
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Vietnamese national Doan Thi Huong (C, covering face), 28, is escorted with a heavy police presence for a court appearance with Indonesian national Siti Aisyah, 25, at the magistrates\' court in Sepang on March 1, 2017, for their alleged role in the assassination of Kim Jong-Nam, the half-brother of North Korean leader Kim Jong-Un. \nTwo women suspected of assassinating Kim Jong-Nam with a lethal nerve agent were on March 1 brought to a Malaysian court under intense security to be charged with murder. / AFP / MOHD RASFAN (Photo credit should read MOHD RASFAN/AFP/Getty Images) (credit:MOHD RASFAN via Getty Images)
TOPSHOT-MALAYSIA-NKOREA-SKOREA-KIM(29 of30)
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TOPSHOT - North Korean national Ri Jong Chol (C) is escorted with a heavy police presence as he leaves the Sepang police headquaters in Sepang on March 3, 2017.\nThe only North Korean arrested over the dramatic airport assassination of Kim Jong-Nam is to be deported, Malaysia said on March 2, as it announced the abrupt cancellation of a visa-waiver programme with Pyongyang. / AFP PHOTO / MOHD RASFAN (Photo credit should read MOHD RASFAN/AFP/Getty Images) (credit:MOHD RASFAN via Getty Images)
NORTHKOREA-MALAYSIA/KIM-EXPEL(30 of30)
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Members of the youth wing of the National Front, Malaysia\'s ruling coalition hold placards during a protest at the North Korea embassy, following the murder of Kim Jong Nam, in Kuala Lumpur, Malaysia, February 23, 2017. REUTERS/Athit Perawongmetha (credit:Athit Perawongmetha / Reuters)