The Brazilian Amnesty Law of 1979 represented a huge step on the country’s re-democratization process in the 1980s, bookending a 21-year military dictatorship. It allowed politically exiled militants to return to the country without fearing prosecution and sought to create a blank slate in Brazilian politics, as the Armed Forces prepared to hand the reins of power back to civilians.
But the amnesty also swept the murders, torture, persecution, and censorship perpetrated by dictatorship agents under the collective rug. As a result of the legislation, the military was never cajoled into issuing a mea culpa for its crimes. Indeed, until...