The four are believed to have directed the murder plot, and are still at large, police say.
Use of illegally seized assets by North Korea likely to anger South Korea, while sanctions could make it hard for the North to export the textiles.
Chemist’s testimony offers strongest evidence linking defendants to the airport killing.
They go home with bright smiles and colorful clothes as UN sanctions force cancellation of their visas to work.
Witness also says he could not identify Kim’s body through a DNA sample from next-of-kin.
Judge denies defense’s request to include names of four North Korean suspects in court record.
Kim's grandmother Kim Jong Sook is being celebrated this week for her 'achievements' at the country's founding.
Gas stations close for a few days across a province bordering China, causing confusion and boosting prices.
Buildings damaged by the test may soon collapse, residents in a county bordering China fear.
US President Trump condemns the North as a "rogue nation" endangers the US and embarrasses China.
Private trade and smuggling continue, though, with some traders using boats to move their goods.
The North has ignored sanctions, warnings and appeals to come to the negotiating table.
The workers report losing a fifth of their monthly wages with the new currency.
The isolated country routinely employs the tactic whenever sanctions are imposed.
Working in collusion with police, they demand money for permission to load trucks and transport goods.
The order to 'stand by' is delivered to factories and firms in one province by military helicopters, sources say.
They are fishing for squid to sell abroad and in domestic markets for Chinese renminbi and US dollars.