It's been in the news for months.
https://abcnews.go.com/US/wireStory/trump-administrations-cr...
https://abcnews.go.com/US/wireStory/trump-administrations-cr...
>An alien whose presence or activities in the United States the Secretary of State has reasonable ground to believe would have potentially serious adverse foreign policy consequences for the United States is deportable.[0]
What one deems reasonable ground can speak very clearly about their intended application of that law.
[0]https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim...
It's subjective in other words. A jury would be unnecessary otherwise.