Former Brazilian President Jair Bolsonaro and his wife Michelle chose to remain silent when they appeared before Federal Police on Thursday to testify in an investigation into jewelry gifts that they received from Arab heads of state and never declared. They were called to testify at Police headquarters in Brasilia, along with Bolsonaro's former aide-de-camp Mauro Cid, his father, a retired army general, and another military officer that was a presidential aide. To justify their silence, Bolsona