Definition: In this task, you will use your knowledge about language (and common sense) to determine what element the marked number refers to. The numbers are marked with two underlines around them, like: _ number _. Your answer should be chosen from the given text, and should not contain other words.
Input: Dexter Morgan:  Harry said it got in me too early . And too deep , he said that I could n't change it . So he thought up the code . He said that if I had to kill , I might as well kill people who deserved it .
Debra Morgan: You make it sound like it 's okay . Like you 're the victim here . The people in that box , Dexter , they 're the victims .
Dexter Morgan: Victims ? The choir director who raped and murdered little boys ? The married couple smuggling refugees who killed the ones who could n't pay ? The psychiatrist who manipulated women into taking their own lives ?
Debra Morgan: There 's a place called the Police Department .
Dexter Morgan: Sometimes the system does n't work . Killers fall through the cracks .
Debra Morgan: Do n't I fucking know it . I 'm talking to _ one _ right now . I am the worst fucking detective in the world .

Killers