UNC-Chapel Hill, a faculty member was killed in the campus shooting. According to university authorities and police, a graduate student at UNC-Chapel Hill allegedly shot and murdered a faculty member on Monday afternoon, forcing the campus to be evacuated for several hours. A graduate student in applied physical sciences named Tailei Qi was arrested on Monday afternoon. Police announced at a press conference Monday night that formal charges are still pending. While trying to contact the deceased faculty member's family, university representatives and the police did not disclose their identity.Police have not identified a motive, but Qi's Twitter tweets showed signs of stress, melancholy, and frustration. His "PI," or primary investigator, is typically a faculty member designated by the institution to work with students on research projects. This year and the year before, he made a number of hazy posts concerning dispute with other students and his "PI" or ...