Court-unsealed documents reveal Department of Homeland Security investigators compiled dossiers on pro-Palestinian student activists — using their writings and protest activity as part of deportation and enforcement actions. The records show federal scrutiny focused on campus organizers and raised alarms among universities about surveillance of international students and activists. Campus leaders and legal advocates say the disclosures complicate universities’ obligations to protect free expression and student safety, and they warn the targeting of protesters could chill campus political activity and strain support services for foreign nationals.