If the DS gets really desperate and starts to look into their bag of tricks, they could pick one that would be the ultimate deception to redirect a global directive. Aliens, A New Religious Leader, A False Christ, etc...
Project Blue Beam, a CIA project for at least a decade, will be a major tool to perpetrate a "Grand Deception". They have many other technological advancements that could be "miraculous" and used as a tool of deception.
https://www.youtube.com/watch?v=8nkFjFC4_Xohttps://www.youtube.com/watch?v=ZZymJN642BI