Continuity mistake: Chappelle shows Jack the security footage of him shooting Nina. He shoots her three times. He fires the gun with more of a gap between the gunshots on the footage than he did when we saw him kill her.
Lou Diamond Phillips made two appearances on the show, as Mark DeSalvo, the security chief where Victor Drazen is being held. Philips and star Kiefer Sutherland are known for having worked together in Young Guns and Young Guns 2.