Amid new reports suggesting he had a relationship with the CIA, revisit the life and death of Kim Jong-nam, his engagement with the West, and his public criticism of his half-brother, Kim Jong-un.
The cycle of threats, talks and weapons tests is familiar territory for the United States and North Korea. We examine the turbulent history between the two countries in a timeline.
After "fire and fury," Trump shows a sudden willingness to talk. Dr. Jung Pak, a former CIA analyst and now a senior fellow at the Brookings Institution, weighs in on what could come next.
The Trump administration has announced new sanctions against North Korea after concluding that the country ordered the assassination of Kim Jong-nam, the estranged half brother of North Korean leader Kim Jong-un.
When the estranged half brother of North Korean leader Kim Jong-un was assassinated in a crowded Malaysian airport last February, he carried in his bag the antidote to the poison that killed him.
While the United Nations has imposed sanctions against North Korea for years, the regime continues to evade international pressure in order to bankroll its rapidly developing nuclear and missiles programs.
The murder of Kim Jong-nam shocked the world. As his assailants go on trial, FRONTLINE explores whether his half brother -- North Korean leader Kim Jong-un -- ordered the hit.