what their intent was in coming to the united states. obviously, it wasn t to attend school. more than 100 students from saudi arabia, kuwait, qatar, lebanon, turkey and the united arab emirates paid him to ta take placement exams and proficiency tests. it would let arab nationals keep visas current to remain in the u.s. at one point higgins got so busy he hired other americans and got them fake i.d.s to get past the university test monitors. more than 220,000 foreign students are studying in the u.s. 15,000 from the middle east. after 9/11, the universities were supposed to tighten procedures so this kind of thing didn t happen again. our sources say none of the arab students involved appear to be a national security threat but some are person of interest. back to you. great story. thank you very much. president obama nominated a 33-year army veteran to head