They even say that the girl had to die for the sins of the group. Throughout the episode whenever they were accussing one of the group they were sure to show them wearing their crosses.
Sorry for the rant but it's just so noticeable I can't believe I never registered it before
Personally I noticed that procedural cop dramas were propaganda way before I realized what kind of propaganda it was, who's behind it, and why.
It's so in-your-face. The state authority is good and perfect, unstumpable, unstoppable, inescapable, and always correct. The citizen, by contrast, is either a liar and a killer, or a victim and an ally. The proper nouns get rotated out to reflect different specific messaging along the way, the same way a burger joint puts toppings onto burgers.