Kim Jong-un's half-brother dies after alleged poison attack by North Korean spies
Kim Jong-nam was meant to be the successor to the late Kim Jong-Il but had been replaced by his younger brother.
Trump briefed on North Korea as Mar-a-Lago guests, waiters looked on
They posted photos of the briefing on Facebook.
Do Americans really have to worry about a nuclear attack from North Korea?
What provoked Trump's tweets on Monday?