chunk: As the murders continue, Helen realizes that the elusive assailant draws inspiration from notorious serial killers, including Albert DeSalvo, The Hillside Strangler, David Berkowitz, Jeffrey Dahmer, and Ted Bundy. When the murderer begins contacting and even stalking Helen, she and M.J. realize that he is after them, and they enlist the aid of Cullum, who tells them what he knows about the killer. M.J. and Reuben are now seeing each other, and are losing focus on the serial killer, which is noted by all especially Helen who finds it very unprofessional. Helen soon realizes that the Copycat Killer has been following the list of serial killers in the same order as she had presented them in her lecture at the university on the night of her attack, and the two work to figure out where and when he will strike next.l Again while Reuben and M.J stay late at the office, M.J. gets upset about their lack of progress and how their relationship is affecting the case. Reuben comforts her, by