These are devastating to honey bee colonies. Intentional introduction or release could be ecoterrorism.
https://www.nytimes.com/2020/05/02/us/asian-giant-hornet-washington.html
Agreed, however that was just one "source" (fox 8 story below). Just seemed odd. Given DS desperation now that their covid crisis is falling apart, this or something similar could be a next play for a crisis.
https://fox8.com/news/murder-hornets-reported-in-parts-of-north-america/