Det. Stephen Augustine Testifies in Brendan Banfield Trial — The "Au Pair Affair Murder Trial"
True Crime Today | Daily True Crime News & Interviews
Tony Brueski
4.2 • 612 Ratings
🗓️ 29 January 2026
⏱️ 22 minutes
🧾️ Download transcript
Summary
Det. Stephen Augustine, Fairfax Co. Police Dept, took the stand in the murder trial of Brendan Banfield, the former IRS agent charged with four counts of aggravated murder in the deaths of his wife Christine Banfield and Joseph Ryan. Prosecutors allege Banfield and the family's au pair, Juliana Peres Magalhães, lured Ryan to their Herndon home through a fetish website and staged the killings as a home invasion.
The defense argues digital forensics contradict the catfishing theory and that investigators who disagreed were reassigned. Banfield faces life without parole if convicted. The four-week trial continues in Fairfax County.
#TrueCrimeToday #BrendanBanfield #AuPairAffair #MurderTrial #ChristineBanfield #JosephRyan #FairfaxCounty #JulianaMagalhaes #Justice #Breaking
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Transcript
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| 0:00.0 | You're listening to the Aupair Affair Murder Trial of Branton Vanfield from True Crime Today on the Hidden Killers podcast. |
| 0:08.0 | Now, back to the courtroom. |
| 0:11.0 | Almost rebuttal evidence. |
| 0:28.8 | Thank you. Your Honor, the Commonwealth would call Detective Stephen Augustine. |
| 0:31.8 | All right. Detective Augustine? |
| 0:38.3 | Based on the face, found cook, raise your ring that. You swear or affirm to testify truthfully in this case under penalty of law. |
| 0:42.3 | Thank you. |
| 0:43.3 | Thank you. |
| 0:44.3 | Good afternoon. |
| 0:57.0 | How are you? |
| 0:59.0 | Good. |
| 1:00.0 | Can you please state and spell your name for the court record? |
| 1:03.0 | The short, Detective Steven Augustine, this S-T-E-P-H-E-N-A-U-G-U-S-T-I-N-E. |
| 1:13.3 | Thank you, Detective Augustine. |
| 1:14.9 | And can you tell us what it is you do |
| 1:17.6 | for Fairfax County Police Department? |
| 1:19.9 | I've got a law enforcement officer |
| 1:21.5 | for 24 years, the last 20 of which |
| 1:24.1 | I've been with the Fairfax County Police Department, |
| 1:27.0 | the last 12 years of I've been a detective, |
| 1:31.0 | the technical investigations unit, forensic audio and video section. Can you tell me about your |
| 1:38.1 | training and education that led you to forensic audio analysis? Sure. |
... |
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