North Korea and Wuhan.
Chinese scientists and handlers.
North Korean safe-house goes BOOM.
Beirut.
Ukrainian clean-up crew?
Wictor thinks it was an arms depot and he’s backed up by reporting from Heshmat Alavi (both of whom I trust).
https://twitter.com/COsweda/status/1290748019218853890
https://twitter.com/HeshmatAlavi/status/1290711101081092097