The details of the recent North Korean defection scandal continue to make DMZ security look worse and worse:
A North Korean soldier who crossed 4 km of heavily armed border when he defected on Oct. 2 had to go to some trouble to draw attention to himself. Initial reports said that South Korean soldiers were oblivious until he knocked on the door of barracks, but in fact he had already knocked on the door of a guard post, to no avail.
In an emergency audit at the request of the National Assembly’s Defense Committee Thursday, Joint Chiefs of Staff Chairman Gen. Jung Seung-jo said the defector “first knocked on the door of a guard post . But when no one answered, he walked up to the inland guard post 30 m away and knocked on the door of barracks there.” [Chosun Ilbo]
You can read the rest at the link, but officers of the 22nd Division responsible for security on that section of the DMZ have been supposedly reprimanded for lax security.