Anyone read the Scythe books? I found them weirdly fascinating.
summary: "humanity has conquered death, disease, and war, and an AI called the Thunderhead manages the population. To control overpopulation, a group of sanctioned killers called Scythes are tasked with "gleaning" (killing) people, and the series follows two teens, Citra and Rowan, who are chosen to become apprentices and learn the art of killing."