N.Korea's Grisly Execution Site

Anti-aircraft guns are apparently on constant standby at Kang Kon Military Academy just north of Pyongyang, where North Korean Army chief Hyon Yong-chol was executed.

One battalion there is trained in 14.5-mm FLAK gun use and a chemical unit handles flamethrowers, a source claimed Thursday.

"High-ranking officials or soldiers who committed grave offenses are executed there. Soldiers refer to Kang Kon as the graveyard of top officials."

The military academy is just 40 minutes from Pyongyang by car.

Im Young-sun, a North Korean defector who graduated from Kang Kon in the 1980s, said, "There were no heavy weapons when I was there, and executions were done using rifles. It looks like they created a new course in anti-aircraft gun use."

The first high-profile person to be executed there was Woo In-hui, a top North Korean movie actress from the 1970s, who was accused of immorality and ordered by former leader Kim Jong-il to be shot in front of her family and friends.

Pak Nam-gi, who was responsible for the botched currency reform in 2009, was executed there in 2010, and so was former eminence grise Jang Song-taek last year.

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