American Psycho II: All American Girl (2002)

Rachel is a criminology student hoping to land a position as a teacher's assistant for professor Robert Starkman. She's sure this position will pave the way to an FBI career, and she's willing to do anything to obtain it -- including killing her classmates. The school psychiatrist, Dr. Daniels, becomes aware that Rachel is insane, but Rachel is skilled at her dangerous game of death and identity theft.