North Korean leader Kim Jong Un attends the combined fire demonstration of the services of the Korean People's Army in celebration of its 85th founding anniversary in a photo released on April 26. KCNA via KNS /AFP/Getty Images hide caption

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KCNA via KNS /AFP/Getty Images

An official photograph dated April 15 and posted by the Navy shows the aircraft carrier USS Carl Vinson in an Indonesian strait thousands of miles south of North Korea. MC2 Sean M. Castellano/U.S. Navy hide caption

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MC2 Sean M. Castellano/U.S. Navy

The North Korean flag flaps behind barbed wire at the North Korean Embassy on Sunday in Kuala Lumpur, Malaysia. Lillian Suwanrumpha/AFP/Getty Images hide caption

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Lillian Suwanrumpha/AFP/Getty Images

Ri Tong Il (left), former North Korean deputy ambassador to the United Nations, speaks to reporters on Tuesday outside the North Korean Embassy in Kuala Lumpur, Malaysia. AP hide caption

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AP

Members of Malaysia's hazardous materials team conduct a decontamination operation at the Kuala Lumpur International Airport on Sunday. Manan Vatsyayana/AFP/Getty Images hide caption

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Manan Vatsyayana/AFP/Getty Images

Royal Malaysian Police Chief Khalid Abu Bakar addresses journalists in front of a screen displaying the details of North Korean Embassy staffer Hyon Kwong Song, who has been identified for questioning, during a press conference at the Bukit Aman police headquarters in Kuala Lumpur. Manan Vatsyayana/AFP/Getty Images hide caption

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Manan Vatsyayana/AFP/Getty Images

Kim Jong Nam, the estranged half-brother of North Korean leader Kim Jong Un seen here in a May 2001 file photo, was alleged assassinated at the Kuala Lumpur airport last week. Shizuo Kambayashi/AP hide caption

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Shizuo Kambayashi/AP

China Monitors Assassination Probe Of North Korean Kim Jong Nam

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Noor Rashid Ibrahim (left) of the Royal Malaysian Police speaks about one of the North Korean suspects, with Selangor state police chief Abdul Samah Mat looking on, in Kuala Lumpur on Sunday. Mohd Rasfan/AFP/Getty Images hide caption

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Mohd Rasfan/AFP/Getty Images

TV screens in Seoul, South Korea, show images Wednesday of Kim Jong Nam, the half-brother of North Korean leader Kim Jong Un. On Monday, Kim Jong Nam was killed in Kuala Lumpur, Malaysia. Ahn Young-joon/AP hide caption

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Ahn Young-joon/AP

Third Suspect In Custody After Mysterious Death Of Kim Jong Un's Half-Brother

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Malaysian police officers stand outside Putrajaya Hospital, outside Kuala Lumpur, where the body of Kim Jong Un's brother was initially brought. STR/AFP/Getty Images hide caption

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STR/AFP/Getty Images

Second Suspect Arrested In Death Of N. Korean Dictator's Half-Brother

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Kim Jong Nam, eldest son of North Korean leader Kim Jong-il, in Beijing in 2007. He died Monday, according to South Korean intelligence. The Asahi Shimbun via Getty Images hide caption

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The Asahi Shimbun via Getty Images

N. Korean Leader Kim Jong Un's Half-Brother Is Dead. But Why?

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Kim Jong Nam, the half-brother of North Korean leader Kim Jong Un and the eldest son of former leader Kim Jong Il, waves to reporters on the Chinese island of Macau in 2010. Shin In-seop/AP hide caption

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Shin In-seop/AP

North Korean soldiers in a mass military parade at Kim Il-Sung square in Pyongyang on Oct. 10, 2015. North Korea conducted its first missile test of the year Sunday morning. Ed Jones/AFP/Getty Images hide caption

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Ed Jones/AFP/Getty Images

North Korea Test-Fires First Missile During Trump's Presidency

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Former North Korean deputy ambassador to London Thae Yong Ho speaks during a briefing on Wednesday in Seoul. NurPhoto via Getty Images hide caption

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NurPhoto via Getty Images

North Korean Defector: Information Flow Will Help Bring Down Kim Jong Un

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This undated picture released from North Korea's official Korean Central News Agency on Aug. 4 shows North Korean leader Kim Jong Un delivering a speech at the April 25 House of Culture in Pyongyang. KCNA Via KNS/AFP/Getty Images hide caption

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KCNA Via KNS/AFP/Getty Images

Diego, a tortoise of the endangered Chelonoidis hoodensis subspecies from Española Island, is seen in a breeding centre at the Galapagos National Park on Santa Cruz Island. RODRIGO BUENDIA/AFP/Getty Images hide caption

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RODRIGO BUENDIA/AFP/Getty Images

High Schools In Texas Spend Big Bucks On Football Stadiums

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Japan meteorological agency officer Gen Aoki displays seismic readings that are apparently a result of a nuclear weapons test in North Korea on Friday morning. North Korea later confirmed it had conducted its fifth nuclear test. Kazuhiro Nogi /AFP/Getty Images hide caption

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Kazuhiro Nogi /AFP/Getty Images

North Korea Conducts Its 5th Test Of Nuclear Weapon

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A North Korean man reads a local newspaper on Sunday with an image of leader Kim Jong Un. Kim said during a critical ruling party congress that his country will not use its nuclear weapons first unless its sovereignty is invaded, state media reported. Kim Kwan Hyon/AP hide caption

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Kim Kwan Hyon/AP

N. Korea Wants Economic And Nuclear Expansion, But One Undercuts The Other

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