"It's like an intimidation campaign," she said. "Their names are in the North Korean papers saying they're going to hunt them down and kill their whole family, whether it's in South Korea or North Korea."
North Korea defector says Kim's spy network is a major security gap →
Some say the increasingly hostile language Mr. Trump uses in referring to North Korea's Supreme Leader Kim Jong-un is making the situation worse, while others say it's drawing attention to the issue.
Sen. Steve Daines says Chinese cooperation is essential to controlling North Korea →