Brazilian Au Pair Gets 10-year Sentence for Killing Joseph Ryan in Murder Plot Against Lover’s Wife

Brazilian Au Pair Gets 10-year Sentence for Killing Joseph Ryan in Murder Plot Against Lover’s Wife
Juliana Peres Magalhães testifies during the double murder trial for Brendan Banfield in Fairfax County Circuit Court in Fairfax, Va., on Jan. 14, 2026. Tom Brenner/Pool via AP Photo
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FAIRFAX, Va.—An au pair who schemed with her employer-turned-lover to kill his wife and another man received a 10-year prison sentence on Friday.

Prosecutors had recommended Juliana Peres Magalhães walk free after she pleaded guilty to a downgraded manslaughter charge in the February 2023 killing of Joseph Ryan. Instead of being tried for second-degree murder, she became their star witness, testifying that she had fatally shot Ryan as Brendan Banfield was fatally stabbing his wife, Christine, in the couple’s bedroom.