IRS Agent Lured a Stranger Into His Home — Then Two People Died

The Brendan Banfield murder case shocked Fairfax County, Virginia, when investigators uncovered an alleged murder plot involving an IRS agent, his family's au pair, and a fake online profile. In February 2023, Christine Banfield and Joseph Ryan were killed inside the Banfield home. Brendan initially claimed he was protecting his wife from an intruder. But investigators uncovered a secret affair with au pair Juliana Peres Magalhães and suspicious online messages that prosecutors argued were used to lure Ryan into the house. Digital evidence, DNA, bloodstain analysis, and conflicting testimony became central to the investigation. In February 2026, Brendan Banfield was convicted of two counts of aggravated murder. In this episode of Caught By Forensics, discover how investigators pieced together the evidence behind this disturbing double-murder case. #truecrimedocumentary #truestory #digitalforensics Business Contact: [email protected]