South Korean soldiers hear gunfire before the soldier dies . The North Korean says he killed his platoon and squad commander . Defections over land via the heavily armed forces are rare . North Korea defector living with quarter of a century of guilt . The number of refugees fleeing per ##il has increased dramatically over the years .
South Korean soldiers hear gunfire before the soldier dies . The North Korean says he killed his platoon and squad commander . Defections over land via the heavily armed forces are rare . The number of refugees fleeing per ##il has increased dramatically over the years .