A Brazilian au pair testified in the double murder trial of a Virginia man accused of killing his wife and another man, telling jurors he said he needed to “get rid of” his wife before they could be together. Brendan Banfield, a former IRS agent, is on trial for the murder of the mother of his child, Christine, and a second victim, Joseph Ryan, as part of a twisted rape plot to kill her so he could be with his Brazilian au pair, Juliana Peres Magalhaes.