Continuity mistake: When Lt. Van Buren and the victims mother are talking in the kitchen, the cabinet behind Van Buren changes from opened to closed several times.
Continuity mistake: The detectives determine that the victim's cell phone was found in a trash can near the entrance of the Lincoln Tunnel. Later, when they are interrogating a suspect Detective Greene tells him "You tossed the victim's cell phone at the entrance to the Midtown Tunnel."
Other mistake: When they are showing the rap sheets for the Cambodian man, the race on the sheet says Caucasian when he is Asian, and for the African American man, the sex says "F" when he is male.
Answer: He believed that she had become too empathetic towards the defendant they had been prosecuting, and that her actions were driven by her emotions instead of facts. While empathy is a good quality in general, a certain degree of detachment is required in order for a prosecutor to do one's job effectively.
Cubs Fan ★