Geneva Summit
Ahn Myong-Chol witnessed many horrors as a North Korean prison camp guard, but few haunt him like the image of guard dogs attacking school children and tearing them to pieces.
Ahn, who worked as a prison camp guard for eight years until he fled the country in 1994, recalls the day he saw three dogs get away from their handler and attack children coming back from the camp school.
"There were three dogs and they killed five children,"...
