kyung lah has more now. >> back off. back off. go. >> don't push me. >> a confrontation between students and a student photographer. >> the first amendment -- >> until the photographer shooting the video walks up to this woman. >> you need to get out. >> i actually don't. >> all right. who wants to help me get this reporter out of here. >> reporter: that woman is an assistant professor melissa click at the university's communications school. she covers his lens, pushes the photographer and mocks him. >> this is public property. >> that's a really good one. i'm a communication faculty and get that argument but you need to go. >> reporter: directing students to form a human chain to block the journalists from doing their job. >> don't let those reporters in. he's a good one. good job.