Testimony continues in the trial of Brendan Banfield, who is accused of plotting a double murder with his family’s au pair – a woman he was secretly having an affair with. On Wednesday, the au pair, Julianna Peres Magalhães faced hours of intense cross-examination, as defense attorneys questioned her credibility and motives for cooperating with prosecutors. She is the key witness against Brendan Banfield, who is accused of orchestrating the murder of his wife and the killing of a man lured to th