Undermined National Security? Something like that would fall under the mandate of ISOC, right?
from Wikipedia:
Internal Security Operations Command or ISOC is the political arm of the Thai military.
Mission and organization
ISOC's mission is to suppress threats to national security, defend the monarchy, promote unity, and protect the public from harm. Nominally a civilian agency, ISOC operates under the aegis of the Office of the Prime Minister. Prime Minister General Prayut Chan-o-cha is director of ISOC.
ISOC's role in Thai political history is quite an interesting read...
ISOC, with Prayut as its director, did not investigate the "Chinese threat to Thailand's national security", Chuwit did...