one day after columbia's president, minouche shafik, called in the nypd to clear an encampment of pro-palestinian demonstrators leading to the arrest of 114 classmates, many who will get their day in court in may. those dramatic arrests ratcheted up the tension. the protesters are angry about what they say is a lack of transparency around what financial ties the school may have to israel writing, the encampment will remain until our demand is met. >> do you think the arrests have slowed the protests down, or do you think they've inflamed things? >> i think they've inflamed things. i think the arrests really triggered a lot of the student body to mobilize. >> reporter: some faculty are concerned the university is not respecting students' free speech and right to organize. joseph hallie is jewish and an assistant professor of classics. >> i don't think anyone i know has ever felt so unsafe on campus as we did watching those cops march onto the lawn and drag our students