So noir exists as the fiction of moral breakdown, the fiction of corruption, and yes, the fiction of reprobation. To its practitioners, this also makes it realistic fiction, because it depicts the world—this side of Christ’s coming—as it truly is: not a realm of Newtonian regularity on the path to an ever brighter future, but a shattered, dystopian place only putting on a show of law and order.
J. Mark Bertrand in byFaith (via commentmagazine)
The rest of the article is the best lesson I’ve read on the noir genre, and yes, I have researched this before.