Brendan Banfield gets life in prison for double killing plot

A social-media bait-and-switch that prosecutors said was built to kill Christine Banfield ended with Brendan Banfield spending the rest of his life in prison without parole. In Fairfax County Circuit Court, Judge Penney S. Azcarate said the case reflected “cruelty, calculation and inhumanity” and called it “evil.”

The prosecution’s theory tied together a husband, a live-in au pair and a stranger drawn into the Banfields’ Herndon home under false pretenses. Christine Banfield, 37, and Joseph Ryan, 39, were shot dead inside the house on February 24, 2023, in what prosecutors said was designed to look like a different kind of crime, a home invasion or sex-related encounter gone wrong. Brendan Banfield and Juliana Peres Magalhães, the Brazilian au pair, were romantically involved, and prosecutors said they plotted the killings together.

Magalhães later testified that Banfield had wanted to “get rid of” his wife. Prosecutors said Ryan had been lured to the home through an online sex and fetish setup, turning what looked like a private encounter into the centerpiece of a double-homicide scheme. Banfield insisted he shot Ryan only after finding him attacking Christine Banfield, but the jury rejected that account and convicted him on February 2, 2026, of two counts of aggravated murder, one firearm offense and one child-endangerment count.

The county later said a grand jury also indicted Banfield on felony child abuse and neglect and felony child cruelty tied to the same events. Before sentencing, his defense team tried to set aside the conviction, but the judge denied the request. At the hearing, Christine Banfield’s relatives and Ryan’s family delivered emotional victim-impact statements, and the courtroom focus landed hard on Christine Banfield’s daughter, whom the judge described as the unspoken tragic victim because she will grow up without her mother.

Banfield also spoke in court and maintained he was innocent, criticizing the prosecution’s case. The sentence that followed left no room for another chapter: life in prison without parole, the maximum punishment for a plot that prosecutors said turned a domestic affair into a calculated double killing.