Testifying under oath on Wednesday in Fairfax, Virginia, Banfield described the night he first cheated on his late wife, Christine Banfield, with Juliana Peres Magalhães. Brendan Banfield expected to take stand again ThursdayHe has pleaded not guilty and could face life in prison if convicted. Prosecutors allege Banfield and Magalhães lured Ryan to the home, shot him, and that Banfield then stabbed his wife, staging the scene to make it appear Ryan had attacked Christine Banfield. Earlier this month, Magalhães testified that she and Banfield created a social‑media account in Christine’s name on a sexual fetish platform. Juliana Peres MagalhãesShe told jurors Banfield planned to kill his wife and build a life with her, saying the two plotted for months.