The island entered into a new crisis after the FBI arrested former officials tied to a scandal and outcry over a leaked chat involving Governor Ricardo Rosselló.
As her country spirals into chaos, Mercedes de Freitas tackles corruption with data.
These leaders in government, civil society and media are breathing new life into the anti-corruption movement.
In this special report, AQ looks at how lawmen outside the national media spotlight struggle with threats, sabotage - and, often, failure.
Which tools have proven most effective in preventing corruption? A closer look at best practices.
From Mexico to Argentina, iconic scandals have reshaped politics. AQ examines their origins - and fallout.
Structural political reforms are the way forward for Latin America.
