“I had previous affairs,” Banfield told jurors. Brendan Banfield is taking the rare step of testifying in his own defense against charges he killed his wife Christine Banfield. Banfield’s alleged nanny mistress Juliana Magalhães testified earlier this month about Banfield’s elaborate murder plot. Brendan then shot Ryan with his service gun to make it appear as though he’d valiantly saved Christine’s life, Magalhães testified. The post IRS agent accused of killing wife in rape fantasy plot admits to having affair with au pair turned alleged accomplice appeared first on New York Post.