Cool. Apparently, a documentary related to these events was produced:
https://www.imdb.com/title/tt1894541/
Could be this one ( the quality is horrible ):
https://www.youtube.com/watch?v=veDZfejpbs8
More materials:
https://spectregroup.wordpress.com/2009/04/24/brazilian-sate...
If someone has more information, links are welcome.