This one involves a swimmer from Brazil, Ana Carolina Vieira. Now there is a showdown brewing between this athlete who feels she was wronged and the Brazilian Olympic Committee. What Was Ana Carolina Vieira's Infraction? Therefore, athlete Gabriel Santos was punished with a warning and athlete Ana Carolina Vieira, with the penalty of dismissal from the delegation. Vieira and Santos's departure from the Olympic Village on July 26 came to light because of their social media posts.