My thought is yes or maybe no. Is seems that there is a virus out there that has been used to track perverts that go to child porn sites . Why not make ISIS sites illegal to visit just as child porn sites. Then infect the sites with the virus and let the visitors face the consequences. Make the prison term long enough and that should at least stop one method of recruitment. Or we could contract with Mexico or Iran to house the prisoners and that would help with world trade. Of course the American Civil Liberties Union lawyers will have something to say but I for one really don't care how much they whine about it.