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A man testified on Wednesday that he loved his wife and did not want to end his marriage, despite having an affair with his family’s au pair in what would become a sprawling double homicide case centered around the two of them.
Wearing a gray suit and a plaid tie, Brendan Banfield testified in a Fairfax, Virginia, court under oath about what happened the day he began cheating on his late wife, Christine Banfield, with Juliana Peres Magalhães in what he said was a casual affair. He described Magalhães scooting her chair closer to his while eating dinner one night, while his wife was out of town. He testified that she followed him into his room at bedtime, and he didn’t stop her.
But Banfield testified he and Magalhães did not plot to kill his wife and another man in the months that followed, despite what prosecutors suggest.
“I think that it’s an absurd line of questioning for something that is not serious, that a plan was made to get rid of my wife,” he testified. “That is absolutely crazy.”
Banfield is charged with aggravated murder in the killings of his wife and Joe Ryan. His testimony will be a key piece of evidence that a northern Virginia jury will be tasked with weighing this month. Banfield, who has pleaded not guilty, could face life in prison if convicted by his peers.
Tom Brenner / AP
Prosecutors say Banfield and Magalhães lured Ryan to their house. According to officials, the two then shot him, and Banfield stabbed his wife, staging the scene to look as though Ryan had been a predator stabbing Christine Banfield.
One of the witnesses who corroborates prosecutors’ theory is Magalhães herself.
Earlier in January, Magalhães testified that she and Banfield had created an account in Christine Banfield’s name on a social media platform for people interested in sexual fetishes. There, Ryan connected with the account, and the users made plans to meet for a sexual encounter involving a knife.
She testified to Banfield’s plan to kill his wife and live his life with Magalhães after they began their affair, plotting for months their ruse.
Magalhaes testified that she crouched behind the bed and covered her eyes and ears while Brendan Banfield repeatedly stabbed his wife, CBS affiliate WUSA-TV reported.
Brendan Banfield appeared to cry in court while listening to the 911 call from the day his wife was killed in their bed, the station reported.
Banfield testified that the au pair’s omission to officials was a lie, saying “there was no plan.” He also said that both he and his wife had affairs throughout the course of their 19-year relationship, but decided through couples therapy to continue their marriage.
His testimony comes as John Carroll, Banfield’s attorney, spent much of the trial scrutinizing Magalhães’ motives in the case. The former au pair was initially charged with second-degree murder in Ryan’s killing, but has since pleaded guilty to a downgraded manslaughter charge.
For instance, Magalhães didn’t remember who created the email address connected to the social media account and where she and Brendan Banfield were on the day it had been procured. She testified that she did not remember who wrote what messages to Ryan. And she admitted under oath to negotiating with a true-crime author and producers to share her story for money.
Tom Brenner / AP 
On the stand, Banfield spoke of his relationship with his wife, describing them as inseparable despite the affair. “We were together the entire time. We didn’t break up at any point,” Banfield said.
“Did you love your wife?” Carroll asked at one point.
“Very much,” he said.
“Did you want to continue your marriage with your wife?” his attorney said.
“Yes.”
WUSA-TV reported that at an April 2024 hearing for Magalhães, prosecutors showed records that two months before the shooting, Magalhaes and Brendan Banfield visited the Silver Eagle Group Shooting Range. A few weeks later, Brendan Banfield also purchased a gun, which was eventually used to shoot Ryan, Senior Assistant Commonwealth’s Attorney Eric Clingan said.
Before the trial, Ryan’s mother, Deirdre Fisher, told WUSA-TV that her son had talked to her about consensual role play but said he was not a violent person. Fisher told the station she remembers every detail of learning about her son’s death.
“I remember when I got the call from the detective … I could hear my own voice screaming,” she said. “It was almost like it was outside of my body hearing that he had been killed.”
