Au Pair Juliana Peres Magalhaes Changed Her Story After 1 Year — Now She's The Star Witness Against Brendan Banfield
Published: January 18, 2026
Duration: 46:40
Juliana Peres Magalhaes faced murder charges for a year. Then she changed her story, took a plea deal, and became the prosecution's star witness against Brendan Banfield. If she testifies, she walks free.
That's the foundation of this case. And retired FBI Special Agent Jennifer Coffindaffer says it's built on sand.
On February 24, 2023, Christine Banfield was stabbed to death in her Herndon, Virginia home. Joseph Ryan was shot twice by two different guns. Prosecutors allege Brendan Banfield and the family's au pair conspired to kill Christine, using a FetLife profile to lure Ryan as a...