WATCH LIVE: Fairfax Co. husband goes on trial in double murder case involving au pair

The Fairfax County, Virginia, husband accused of conspiring with the family’s au pair to kill his wife and another person, is on trial, charged with aggravated murder for the February 2023 deaths.

Prosecutors said Brendan Banfield planned with Juliana Peres Magalhaes to kill Christine Banfield and Joseph Ryan, who had been lured to the Banfields’ Herndon home with promises of rough sex.

Peres Magalhaes pleaded guilty in 2024 for her involvement in the double murder. Authorities said the au pair and the husband had a romantic affair.

Court sessions will begin at 10 a.m. each day and run Monday through Thursday.

Watch the court proceedings below for the latest on the case.

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