Brazilians all let us rejoice : FIFA arrests and a new era for world football?

A few nights ago I thought I was back in 1938, listening to Orson Welles broadcasting his famous radio drama 'The War of the Worlds'. Just like Welles' listeners, it took me a while to believe in what I was hearing, reading and watching on every mainstream or social media channel. The news looked like another fake alien invasion on Earth. However, after following the media frenzy, I realised that everything was real: a handful of top-level FIFA officers had just been arrested in Switzerland, on the brink of FIFA's meeting to elect its new president. Amongst the ones arrested, there is Jose Maria Marin, the former president and currently deputy president of the Brazilian Football Federation (CBF). The question that won't go away is: who is Marin? How did an octogenarian man, with clear links to the military dictatorship that tortured and killed countless Brazilians, with connections to corrupted operations, hold such a powerful position?