Her tours usually begin in Beijing, China, and head towards Pyongyang, North Korea - and every time she takes her group out, she needs to undergo a one-hour briefing session on the rules.

Phone calls and internet activity are monitored by ‘Bureau 27’ in North Korea’s State Security Department. The unit specialises in covert intelligence, and uses sophisticated equipment to detect ...

Her tours usually begin in Beijing, China, and head towards Pyongyang, North Korea — and every time she takes her group out, she needs to undergo a one-hour briefing session on the rules.