So Mr. Toffoli, the court’s chief justice, issued an order granting the Supreme Court itself the authority to open an investigation...It was an unprecedented role, turning the court in some cases into the accuser and the judge.

Ah, so the judicial branch just granted itself whatever powers it liked. I guess there's no such thing a separation of powers in the Brazilian government.

Last month, Mr. Moraes took on even more power, also assuming the presidency of the elections court that will oversee the vote.

In its investigation, the court discovered evidence that far-right extremists had discussed assaulting justices, were tracking the judges’ movements and had shared a map of a court building

Surprised? If you run your government like a banana republic, you're going to find more and more people think it's OK to overthrow you.