This week, Brazil has been engrossed by a true crime soap opera that would make Game of Thrones screenwriters blush. Flordelis de Souza, a federal lawmaker and former gospel singer, has been implicated in the assassination of Evangelical pastor Anderson do Carmo, her adopted son-turned-son-in-law-turned-husband. Nine of Ms. Souza’s 55 children — of which 51 are adopted — were arrested this week, and she only remains at liberty thanks to her parliamentary immunity.
Besides the sordid details of the case, including a bizarre number of failed assassination attempts and the morbidly on-the-nose Google searches of one of Ms....