Both Banfield, 37, and Ryan, 38, were murdered in Banfield’s home in a quiet Northern Virginia neighborhood in the early morning hours of February 24, 2023. Christine’s husband, Brendan Banfield, and her family’s au pair, Juliana Peres Magalhaes, were later murdered. arrested.

While Magalhaes was previously charged with second-degree murder (with a trial scheduled for next month), on Tuesday she agreed to plead guilty to a lesser charge of involuntary manslaughter. Along with their petition came some new details about what allegedly led to Banfield and Ryan’s deaths.

According ABC NewsCiting the plea agreement, Banfield allegedly said he wanted to “get rid” of his wife in the fall of 2022, shortly after beginning an affair with Magalhaes in August of that same year.

He allegedly continued to develop his plans, although Magalhaes said she did not believe he would carry them out and did not want to get involved. However, the planning allegedly continued and Brendan was accused of creating a profile on a sexual fetish website, where he began talking to Ryan.

According to the agreement, Brendan had Magalhaes pretend to be Christine while speaking to Ryan during a call, while they scheduled a time for the couple to have sex with “restrictions” at his home. By WUSAProsecutors allege that “conversations confirmed that they would be engaging in violent sexual role play and Ryan brought a knife with him.”

On the day of the murders, Magalhaes and Brendan allegedly waited until Ryan entered the house, before entering and taking Banfield’s son to the basement. They claim they found Ryan holding Christine in the bedroom. According to the agreement, Brendan allegedly yelled, “Police!” and shot Ryan in the head, before stabbing Christine to death when Magalhaes called 911. Magalhaes also shot Ryan, prosecutors said, after seeing him move.

Brendan initially said Ryan was an intruder who stabbed his wife.

Under the reduced charge of involuntary manslaughter, Magalhaes faces up to 10 years in prison. She won’t be sentenced until after Brendan’s trial in February 2024, and prosecutors are waiting to see how cooperative she is with them on their case.

Brendan was formally charged with the aggravated murders of both his wife and Ryan in September, following a 19-month investigation.