December 6, 2016 6:30 pm USC Grad Student Charged in Professor's Killing A USC graduate student accused of fatally stabbing a psychology professor on campus last week pleaded not guilty to a murder charge. Angie Crouch reports for the NBC4 News on Tuesday, Dec. 6, 2016. US & World Videos 0:45 Car crashes forces vehicle to slam into Leimert Park home 3:14 LAPD officers return to USC amid pro-Palestinian protest 2:42 USC students share thoughts on cancelation of main commencement 1:32 Two police shootings in Long Beach leave at least one dead 3:34 Pro-Palestinian encampments continue on UCLA campus