and just last week columbia university's president, minouche shafiq, was also called to testify. >> antisemitism has no place on our campus, and i am personally committed to doing everything i can to confront it directly. >> reporter: the next day the nypd were called in to clear out the encampment built by protesters on columbia's campus. administrators say the students were breaking university rules. 100 people were arrested and charged with trespassing, including junior sarah boris, who is jewish. what went through your head when you were arrested? >> it was a scary moment when the riot cops are coming into your college campus and putting you in zip ties. but i think that i -- again, i knew these risks. i knew that that was the risk of the action i was taking. sarah was later suspended and lost access to campus, classes and her dorm. but she says she has no regrets. >> what i was taught as a jew growing up is completely against the actions that you're seeing in gaza at the hands of the idf. you're seeing hospitals being destroyed. and that's just completely against everything i was taught, th