• Literal meaning: The attackers wore masks to hide their faces.

• Symbolic meaning: A “shroud of shame” implies guilt or disgrace—someone hiding their identity because of their past actions.

• Clue in the episode: This points to the distinctive creepy white masks used in the attacks, which later got traced to a 1996 play.

2. "No escape when you're to blame."

• Literal meaning: If you’re guilty, punishment or consequences will catch up with you.

• Symbolic meaning: Someone is targeting people believed to be responsible for past wrongs.

• Clue in the episode: The victims included people connected to past LAPD cases, linking the attacks to revenge motives.

3. "Cry me a river, back to the start."

• Literal meaning: “Cry me a river” could mean grief, loss, or drama.

• Symbolic meaning: “Back to the start” suggests revisiting old events.

• Clue in the episode: The detectives had to go back into old case files and trace where this masked figure and style first came up — leading them to that old theatre production from 1996.

4. "Dog deliver a live part."

• At first, confusing: It doesn’t make sense as written.

• Key trick: This line was solved by writing it backwards — it becomes:
  "trap evil a reviled god" (“trap evil, a reviled god”).

• Clue in the episode: This hinted that the criminals were setting an elaborate trap and saw the police as “evil” or deserving punishment. This ultimately lured the team into the booby-trapped house.