BANFIELD TRIAL LIVE UPDATES: Au pair murder trial enters day 4

FAIRFAX COUNTY, Va. - The murder trial of Brendan Banfield is now underway in Fairfax County. Banfield is accused of murdering his wife and another man — all amid an alleged affair with the family’s au pair.

Find live updates below. Watch the trial live in the player above, on FOX LOCAL, FOX 5 DC's YouTube page and on TikTok. 1

12:37 p.m. – Fingerprint specialist testifies

Douglas Gudakunst, a Fairfax County Police Officer who is part of the fingerprint analyst group, is testifying.

12:29 p.m. – Gun range manager testifies

Amy Shotwell, a manager at the Silver Eagle Group, is testifying about Brendan Banfield and Juliana Peres Magalhães' visits to the gun range. It is also where the pair purchased a handgun.

12:20 p.m. – Window factory employee

An employee from a window factory has been called to the stand. He went out to the Banfield home approximately three times in 2022. He says the windows installed offered extra energy protection and sound-proofing. The prosecution indicated in their opening arguments this is part of their argument that Brendan Banfield had planned out the murder in advance.

11:40 a.m. – Footage of Brendan before murder

The prosecution is showing CCTV footage at a McDonalds in Herndon just before the murder, Brendan's last stop before returning home.

10:48 a.m. – Murder weapons

The prosecution is exhibiting the weapons involved in the murder, including a bloody knife and Brendan Banfield's service weapon, along with blood splatter at the scene.

10:35 a.m. – Forensic evidence

Today's focus is turning to the forensic evidence of the crime scene. Police are currently testifying about their analysis of the crime scene, starting with Joe Ryan's body.