Affairs, fetish website and murder shock nation | 20/20 ‘The Au Pair, the Affair and Murder’ Part 1

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0 February 21, 2026 04:00

It’s a murder trial that has garnered national attention and is currently in the headlines. In 2023, a frantic 911 call made from an affluent Virginia neighborhood led police to a horrifying discovery: 37-year-old pediatric nurse and mother Christine Banfield was stabbed to death in her bedroom, and another man, Joseph Ryan, 39, was shot dead alongside her. The family’s live-in au pair, 23-year-old Juliana Peres Magalhães, told investigators that she returned home after forgetting the lunch she’d packed for the Banfields’ young daughter and encountered a violent intruder attacking Christine, but investigators quickly began to question the story and uncovered evidence of a secret affair. Stream the all-new 20/20 episode “The Au Pair, the Affair and Murder” on Disney+ and Hulu, under Season 48, Episode 17.

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