Sorry, I can’t answer in Portuguese. (I could do Spanish but I think between those two, English is better.)
I have not closely followed the events in Brazil, and so for all I know, Dilma might be as dirty as they come. But that doesn’t matter; what she says here is absolutely correct. An impeachment without a specific crime is not an act of justice but of politics. And the word for politically removing the president without an election is “coup”.