Zijie Yan, an associate professor in UNC-Chapel Hill's department of applied physical sciences, was shot and killed on campus Monday. Photo: www.unc.edu NC Newsline UNC-Chapel Hill graduate student Tailei Qi, 34, has been charged with first degree murder in Monday's on-acampus shooting of Zijie Yan, an associate professor in the university's Department of Applied Physical Sciences. Yan, who was identified as the victim Tuesday, served as academic advisor to Qi.