Forest Whitaker forgot to take off his wedding ring during the interrogation scenes, so it was decided to write this into the plot. In the next episode Ronnie Gardocki notices the ring. It's the very thing, the weakness that the Strike Team has been looking for.
Many actors auditioned for the coveted role of Alarico Trujillo in the infamous bathroom rat-trap scene but Director-Producer-Star Michael Chiklis said that only Joe Camareno brought a genuine authenticity and believability to the challenging and provocative material.
In the bathroom scene, there is a graffiti drawing of a whale most likely Moby Dick, which is a reference to the novel of the same name by Herman Melville . Also on the wall was a scribble " Ahab, not Lincoln", Ahab was a character and a captain in the novel, which chased after the whale.