https://apnews.com/643453241825dd4e1c475a4d61c70a71 > BOSTON (AP) — The Massachusetts Institute of Technology is warning international students that federal immigration officials may visit their work sites to verify that their employment is directly related to their studies. > School officials sent a memo to faculty on Thursday saying the Department of Homeland Security has been making site visits to employers of foreign students in science, technology, engineering and math fields. The school is notifying students separately and telling them what to expect from the visits.