In court testimony, the agent outlined the willingness of Kash Patel, the F.B.I. director, to take orders from President Trump to investigate his perceived enemies.
The president has spread false claims about ranked-choice systems, voting machines, vote counting and past results to question the integrity of elections.
Flávio Bolsonaro’s first round lead leaves President Luiz Inácio Lula da Silva three weeks to find the votes to stop Brazil’s, and Latin America’s, rightward shift.