This spring, the Rangers, Pakistan’s paramilitary security force, launched a series of raids into Karachi’s slums for what was described by the government as a crime-prevention campaign. Members of the force blocked off the streets surrounding the city’s poorest neighborhoods and exchanged fire with the locals. Over several days, the Rangers seized several caches of weapons and captured or killed dozens of alleged gang members.
As the raids continued, news reports emerged that Uzair Baloch, the former leader of one of the gangs targeted by the military, had accused a number of high-ranking politicians of extortion and conspiracy to…