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This undated photo released by North Korea's official Korean Central News Agency (KCNA) on December 11, 2016 shows North Korean leader Kim Jong-Un (C) during a combat drill of the service personnel of the special operation battalion of the Korean People's Army Unit 525.     / AFP / KCNA VIA KNS / KNS / South Korea OUT / REPUBLIC OF KOREA OUT   ---EDITORS NOTE--- RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO/KCNA VIA KNS" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS
THIS PICTURE WAS MADE AVAILABLE BY A THIRD PARTY. AFP CAN NOT INDEPENDENTLY VERIFY THE AUTHENTICITY, LOCATION, DATE AND CONTENT OF THIS IMAGE. THIS PHOTO IS DISTRIBUTED EXACTLY AS RECEIVED BY AFP. 
 /         (Photo credit should read KNS/AFP/Getty Images)
This undated photo released by North Korea's official Korean Central News Agency (KCNA) on December 11, 2016 shows North Korean leader Kim Jong-Un (C) during a combat drill of the service personnel of the special operation battalion of the Korean People's Army Unit 525.     / AFP / KCNA VIA KNS / KNS / South Korea OUT / REPUBLIC OF KOREA OUT   ---EDITORS NOTE--- RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO/KCNA VIA KNS" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS
THIS PICTURE WAS MADE AVAILABLE BY A THIRD PARTY. AFP CAN NOT INDEPENDENTLY VERIFY THE AUTHENTICITY, LOCATION, DATE AND CONTENT OF THIS IMAGE. THIS PHOTO IS DISTRIBUTED EXACTLY AS RECEIVED BY AFP. 
 /         (Photo credit should read KNS/AFP/Getty Images)

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Why it's so difficult to report on North Korea

North Korea's rhetoric might sound "very frightening" to Americans, but officials in Pyongyang make blustery comments "all the time," says CNN international correspondent Will Ripley. He tells Brian Stelter what it's like to read between the lines of North Korea's state-controlled media.

Why it's so difficult to report on North Korea

North Korea's rhetoric might sound "very frightening" to Americans, but officials in Pyongyang make blustery comments "all the time," says CNN international correspondent Will Ripley. He tells Brian Stelter what it's like to read between the lines of North Korea's state-controlled media.