In Sao Joao del-Rei, Brazil, a prison without armed guards defies the ultra-repressive model of Salvadoran president Nayib Bukele

At this self-managed facility, reintegration is the priority. The recidivism rate is far lower than that of the traditional system. Yet Flavio Bolsonaro, who is challenging Lula in the October 4 presidential election, wants to take an even tougher approach.