It Makes a Difference to the Sheep

YAKUZA CASH IS FUNDING NORTH KOREA According to John Bolton:

the North has used three sources of hard currency earnings to buttress its weapons programs. "One is the sale of weapons of mass destruction: the DPRK is the largest sellers of ballistic missile technology to 'proliferant'
countries in the world," he said. "The second . . . is the sale of illegal drugs. And third is a combination of remittances from illegal and quasi-illegal activity outside the country from, basically, organized criminal networks in Japan and elsewhere."

This has been a recurring refrain in Washington. Sounds like an area in which hard-liners can crack down on North Korea without having to resort to military options.