IRS Agent Brendan Banfield CONVICTED — Au Pair's Testimony Seals His Fate

IRS Agent Brendan Banfield CONVICTED — Au Pair's Testimony Seals His Fate

Published: February 2, 2026

Duration: 17:47

Brendan Banfield will die in prison. A Fairfax County jury convicted the former IRS special agent of aggravated murder Monday in one of the most disturbing domestic murder plots in recent memory. The 40-year-old federal law enforcement officer now faces mandatory life without parole for the February 2023 killings of his wife Christine and Joseph Ryan — a stranger prosecutors say was lured to the family home and set up to take the fall.
                    
The prosecution's case hinged on testimony from Juliana Peres Magalhães, the family's 25-year-old Brazilian au pair who was having an affair with Banfield. She told jurors Ba...