No Problem - We've already got it covered in the visa application DS-156 -
"Do you seek to enter the United States to engage in export control violations, subversive or terrorist activities, or any other unlawful purpose? Are you a member or representative of a terrorist organization as currently designated by the U.S. Secretary of State?"
https://evisaforms.state.gov/ds156.asp?lang=1
Well, that serves a different purpose. That allows for prosecution and possible expulsion, if we ever decide to do so.