For forty years and more Alma Guillermoprieto has wandered tirelessly over the Latin Americas, interviewing assassins and the families of their victims, talking to street sweepers and artists, rowdy carnival makers and thoughtful politicians (and plenty of rowdy politicians as well). Guillermoprieto draws out common threads in different contexts, like the effects of The War on Drugs in rural and poverty-stricken regions and the experiences of people...