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Inside The Banfield Trial: Au Pair Testifies

January 16, 2026 / 23:16

This episode covers the trial of Brendan Banfield, charged with the murder of his wife Christine and the fatal shooting of Joseph Ryan. Key topics include the alleged affair with the family's au pair, Juliana Perez Magalles, and the prosecution's claims of a premeditated murder plot.

Host Ann Marie Green discusses the details of the case with producer Michelle Sigona. Brendan Banfield maintains his innocence, claiming self-defense, while Juliana has pleaded guilty to involuntary manslaughter and is a key witness against him.

The prosecution alleges that Brendan and Juliana conspired to murder Christine using a catfishing scheme to lure Joseph Ryan to their home under false pretenses. Juliana testified about the elaborate plan that unfolded on February 24, 2023, Brendan's birthday.

Juliana's testimony reveals the shocking details of the events leading to the murders, including her involvement and the chilling dynamics of the relationships involved. The episode highlights the courtroom drama and the public interest surrounding this high-profile case.

As the trial progresses, the defense questions Juliana's credibility and motives, setting the stage for a complex legal battle.

TLDR

Brendan Banfield's trial reveals a disturbing murder plot involving his wife and an au pair, with shocking testimony from key witnesses.

Episode

23:16
00:00:04
We're going to start things off with [music] a trigger warning. Some of the reporting is disturbing, so please
00:00:09
listen and watch [music] with care. So, welcome to a special episode of the 48 Hours podcast, [music] Inside the
00:00:17
Bfield trial. I'm your host, 48 Hours correspondent Ann Marie Green. And today we are taking you inside the court case
00:00:25
of Brendan Banfield, the former IRS agent charged with the February 2023 stabbing murder of his wife, Christine,
00:00:34
and then the fatal shooting of another man, Joseph Ryan, in the Banfields Northern Virginia home. Brandon pleaded
00:00:41
not guilty to all of the charges, and he maintains that it was Joseph who stabbed
00:00:46
his wife while he shot Joseph in self-defense. This is one of the most talked about uh
00:00:52
trials in the country right now. It's even sort of being dubbed the Opair affair because uh Brandon had been
00:00:59
having an affair with the family's Brazilian Opair. Her name is Juliana Perez Magalles. She pleaded guilty to
00:01:06
involuntary manslaughter for shooting Joseph Ryan. Here's prosecutor Jenna Sans describing what she says was
00:01:16
Brendan's plan to kill his wife. He wanted her out of the picture. And he convinced young Juliana, 22 years old,
00:01:23
not from the United States, living in his home in love with him, that they should get rid of Christine. He talked
00:01:31
about hiring a hitman, finding someone to kill her for money, but he was concerned that that would tie back to
00:01:38
him, that there would be too much evidence against him and that he could end up at risk. So, they crafted a plan.
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They would use Christine's email accounts to create a fake profile to lure someone in who was into kinky sex,
00:01:54
violent sex. and they would get this guy to come into the house and fake rape Christine.
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Brendan would be the hero of the day. He would show up, kill the guy, kill his wife, pretending that it had been that
00:02:10
guy. >> And that guy was Joseph Ryan. So, joining me now to discuss this case is
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48 Hours producer Michelle Sigona. Michelle, it's great to see you. >> It's great to see you, Emory.
00:02:22
>> So, this is one heck of a case, boy. I mean, I understand why the entire country has been watching and you've
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been following this case basically since it started. And I just want to point out
00:02:31
that this trial, the uh Brendan Banfield trial is taking place in the same courthouse as the Johnny Depp Amber her
00:02:39
defamation trial >> and it's the same judge. Uh cameras generally usually are not permitted.
00:02:45
>> Um but like the Depp trial, there's a lot of interest in this case. So, as for
00:02:50
this trial, uh, Manfield's Opair, Juliana, she's now 25 years old. Um, she was originally charged with the murder
00:02:58
of Joseph Ryan, but then she pleaded guilty to a lesser charge, involuntary manslaughter, and she decided to
00:03:04
cooperate with the government. She is the star witness, which is why I expected her to show up maybe later on
00:03:12
in the trial. I was really surprised that she was called so early in the trial. What was it like when she walked
00:03:18
into the courtroom? It was um first it was very surprising. I mean openings were a little more than
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a half hour. There were some other witnesses who had testified and then they talked about the codefendant like
00:03:31
on the first day. Oh my goodness. >> She walks in through a side door, has to walk past the defense table and all the
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way up um to be sworn in to sit down. And she looked drastically different. We've seen photos of Juliana throughout
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these, you know, these last few years. Um, her hair is long, blonder, different style clothing. This was a a version of
00:03:58
her that we have not seen before. Her hair is now completely dark. She had glasses on. It was a um a muted version
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of her. >> Okay. So before she testifies though, we have the opening arguments and we hear
00:04:12
the prosecution sort of lay out the case that they believe they have against Brendan. What What do we hear? As we
00:04:19
heard earlier, the prosecutors alleged in February 2023, Brendan and Juliana were having an affair. This is inside of
00:04:28
of their property. And by the way, the defense doesn't dispute this relationship at all from what we've
00:04:33
heard so far. U Brendan and Christine also had a young daughter. Her name is Valerie. And Juliana said Brendan wanted
00:04:42
out of this marriage. Now they weren't together at first. This was something that evolved over time. She had from
00:04:48
what she testified to had spent about a year in the house and then renewed for another year in her program. And um but
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he felt a divorce was not an option. He wanted full custody of his daughter. And
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Juliana said money was also involved in part of the issue. >> Interesting. And then so how do things
00:05:07
unfold? >> So the alleged catfishing scheme comes about using this website called Fetife
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and as in fetishes and they would take Christine's laptop and and phone to message the people while Christine was
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in the house. This is incredibly important um point because Christine being inside of the house, according to
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Juliana, was the reason why they would message these other men at home and from her laptop because um Brendan told her
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if there's some sort of investigation, it would always look like the messages were coming from Christine, coming from
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her phone, coming from her computer. Um, and according to Juliana, Brendan was looking for someone who would be
00:05:50
aggressive and would bring restraints um, and also a knife to this meeting at the house. Um, she said they were also
00:05:58
looking for someone to agree to come to the house before ever meeting Christine in public.
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>> So then, who's doing the messaging to all of these men? Are both of them? When
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the defense asked Juliana who who was doing this, there were times when she couldn't remember who was doing the
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messaging, but she did say it was both of them at different times on different days.
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>> So ultimately, after, you know, messaging several men, they finally messaged Joseph Ryan, who is open
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>> and we see the messages in the court presented to the gallery on the Telegram
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app between Joe and Christine's account. Uh, and that account used an alias as well, Anastasia.
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>> And there are exchanges between them about cuts and bruises. And Anastasia uh messaged that quote, "Some marks are
00:06:48
okay." I said, "As long as they are covered by my clothes, I have a few days to heal up."
00:06:55
>> Yeah. And this character is sort of in encouraging a certain level of violence.
00:07:01
and she I don't know if she asked for a photo of the knife, but he eventually sends a photo of a knife, too, right?
00:07:08
>> Yes, Joe did share an image of a knife. >> Um, so it's one thing to have this
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communication online, but this is part of a bigger plot. Can you tell us how things were supposed to unfold in the
00:07:21
house when Joseph Ryan shows up? I still cannot get over the level of detail that went into this alleged plot
00:07:31
according again according to to Juliana. And here's the prosecutor explaining how
00:07:37
this day started. >> On February 24th, 2023, Brendan Banfield's birthday, the plan was put
00:07:44
into action. Knowing that Christine had the day off, Brendan and Juliana arranged a fake
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outing for the zoo with sorry, a fake outing at the zoo for Valerie. Juliana and Valerie packed a lunch, prepared for
00:07:58
this fake outing. Christine, still in bed, asleep at 6:00 a.m. Brendan takes her phone and Valerie
00:08:08
downstairs. He chats with Joe to confirm a 720 arrival for the execution of the fake
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rape. And Brendan then disables the door lock, preventing it from automatically locking, turns off Christine's phone,
00:08:27
and puts it in a drawer in the kitchen where she couldn't possibly find it to call for help when she finds an intruder
00:08:33
in her home. Brendan leaves the house, followed shortly by Juliana. Brendan drives to a nearby McDonald's.
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Juliana waits in the culde-sac. The plan to give a call out to Brendan as soon as
00:08:50
she sees Joe. Valerie's in the back seat and Juliana has a gun in her pocket. When Joe arrives, Juliana calls
00:09:00
Christine's cell phone first to create a record of a fake warning. even knowing that the phone is turned off.
00:09:08
She then calls Brendan to let him know that Joe is in the house. Brendan leaves the McDonald's, drives
00:09:16
directly to the home, meets up with Juliana, and with Valerie and tow, they reenter the house through the basement.
00:09:23
Okay. So, just to make it sort of clear to everyone, the plan, and it's unfolding exactly as Brendan had
00:09:30
planned, is to have uh Joe come into the house. Christine has no idea what's going on.
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And so, you know, she's still in bed. Juliana is supposed to be taking care of Valerie. Valerie did re from what we
00:09:46
learned from Juliana's testimony on the stand, she remained downstairs while Brendan first went upstairs to the
00:09:52
bedroom. A few minutes later, Juliana said she also went upstairs and told Valerie, "Look, stay behind." And here
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is Juliana on the witness stand. >> When I got um to the bedroom, Brendan said um he yelled, "Police officer."
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And Christine's first reaction. That was the first time I heard she say anything at
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that point. Then she yelled back at Brendan saying, "Brendon, he has a knife." And
00:10:24
yeah, that's um that's when Brenda first shot Joe. So Brendan shoots Joe. This is part of
00:10:33
his plot, right? He's going to sort of come in and save her, but Christine is still alive. she is alive. And
00:10:39
allegedly, she tells Juliana to call 911, which Juliana did, but then hangs up quickly after. Uh Juliana claims
00:10:48
Brendan gave her some sort of gesture to hang up the phone. She hangs up the phone. A period of time goes by. Um the
00:10:55
911 center calls the phone back, leaves a message, and so this is where the prosecution says everything sort of
00:11:02
falls apart a little bit. U because Juliana wasn't supposed to call 911 until later. Juliana said Brendan then
00:11:09
got on top of Christine and told her Juliana to get a towel. Um, so she left, she came back and that's when she saw
00:11:20
Brendan allegedly stabbing Christine with this knife and she testified um Juliana said she covered her ears and
00:11:29
her eyes and at times um would look up and saw more of this stabbing taking place. Juliana says Brendan then told
00:11:39
her to go to the safe in the closet because that was also part of his plan and but for reasons that she can't make
00:11:48
sense of now when she returned and saw Joe moving um she warned Brendan >> and I just start telling him he's moving
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he's moving he's behind you and that's when I fired the the shot That's when you Could you say that
00:12:09
again? >> I fired. >> And when you say you fired, you fired what? >> A gun. >> The gun that that was where?
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>> In my um that I had in my pocket. The the handgun. >> Did you hit anyone? >> Yes.
00:12:30
>> Who'd you hit? >> Joe. Juliana says she shot Joe and Brendan gave her the go-ahad to call 911 this
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time for real. This is 15 minutes later. >> 911. Where's your emergency? >> I need I need help. There is
00:12:51
my my friend. He just was stuck on the mic now. She's hurting my lot. I don't know what to do anymore.
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>> Then Brendan gets on the phone. >> My name is My name is Brendan Banfield. I'm a I'm a f I'm a federal agent. This
00:13:05
is my house. There's somebody There's somebody here. Uh I I shot I shot him. Um but he stabbed her.
00:13:15
She ble She's bleeding. She got several several marks on her neck. What do I do?
00:13:20
What do I do? >> And again, Valerie is in the basement while all of this is happening. I mean,
00:13:25
she must be hearing it. >> It's It's hard to tell what she heard. I'm a mom to three young children and I
00:13:32
can't even imagine this child being in this house in this particular situation. And just so you know, in addition to the
00:13:39
aggravated murder charges, Brendan Banfield was also charged with one count of felony child abuse and neglect
00:13:46
[music] and one count of felony child cruelty related to everything that transpired [music] that day.
00:13:54
And so the investigation begins and unfolds. But before police go after Brandon, they actually arrest Juliana in
00:14:03
October of 2023. Why did they arrest her first and not Brendan? >> That's a great question. They may have
00:14:08
been building this case behind the scenes against Brendan. Investigators like to take their time. They like to
00:14:14
build their case and be able to to do this just the once. That's it. That's all you get. And
00:14:21
>> so by the time Juliana was arrested, she was not only living in the marital home,
00:14:26
um a place that she was supposed to be an employee, but she had moved directly into the bedroom with Brendan Banfield.
00:14:36
>> You've got to be kidding me. I mean, I it's hard to say how people should behave, but that certainly raises some
00:14:44
eyebrows. That behavior is going to make people very suspicious. Look, I've been doing this for 25 years
00:14:55
and I have seen cases across this country of all different magnitudes. And this is the level of
00:15:05
detail and the things that have happened and the things that have come out in this courtroom about what went on
00:15:10
allegedly behind those, you know, behind those walls of that house. It's it is it's really hard to understand. It
00:15:18
really is. It's almost like she sort of slipped right into Christine's place. >> It's exactly what it seems like. And
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then not only does she do that, but according to Juliana, this relationship continues after her arrest.
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>> His mom apparently uh according to Juliana is paying for her defense attorney at this point.
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>> Wow. And so, but then when is Brendan arrested? >> So, Brendan is then arrested in
00:15:46
September 2024. and Juliana decides to cooperate with authorities in October 2024. She had
00:15:54
some sort of medical emergency. She was in the hospital for a number of days. When she came out a couple of days
00:15:59
later, she decided to sign this paperwork. That's what she testified to. And she said that's when the financial
00:16:05
support from Brendan's family ceased. >> So, this to me is a challenge for the defense. What is the defense's response?
00:16:15
Well, the defense attorney, John Carroll, questioned her decision to take this plea, the timing of it all um
00:16:21
months after her arrest, and there were letters that were read inside of the courtroom this week. Um, and that she
00:16:29
had written to Brendan and other people while she was in custody. She wrote about how she couldn't live without
00:16:35
Brendan, but she also wrote that she had given up hope and this was torture for her. um she's in ter she was in terrible
00:16:44
pain, saying um in part that it was killing her while she was incarcerated and she was considering taking her own
00:16:52
life. Juliana said she began medication while she was in jail. This was for depression and anxiety to help her. And
00:17:00
later she writes to Brendan saying that she knew the Commonwealth wanted her to cooperate against him. Um, she wrote to
00:17:09
Brendan's mother that she'd give her life for him and that she would never do anything to hurt him. Going on to say,
00:17:16
quote, "I'll take the blame for both of us." Okay, so that is an intense type of
00:17:22
connection. I don't know if I call it love, whatever. I I can see how, you know, as she's sitting in jail, though,
00:17:28
like her commitment is starting to weaken. Um, but but when do things go from I'm willing to take the blame for
00:17:35
everything to I'm going to I got, you know, there's a plea deal on the table. I'm taking it. Well, remember Brendan is
00:17:41
arrested in September 2024, and Juliana took the plea in October, the very next month, the end of the very next month.
00:17:49
She messages that she's scared and she later talks about being disheartened. Then there's a set of days in October
00:17:57
when Juliana is in the hospital. We spoke about that briefly. just days before the plea. That's, you know, when
00:18:05
all of this has sort of taken place. The defense asks if this was just a coincidence, and she said it was.
00:18:12
There's also a message from Juliana's mother to Juliana saying, quote, "Please tell her not to cut you off from your
00:18:18
mom. Please tell her it was all Brendan." Seeming to be referring to Brendan's mother not cutting off this
00:18:27
support. because, >> you know, not only was she apparently funding this defense attorney, but she
00:18:31
was also funding her account to be able so she could have communication with her
00:18:35
mom and other people and buy extra food from the commissary and things of that nature.
00:18:40
>> Um, Juliana had mentioned uh to her earlier that she was thinking about taking the plea and that this message
00:18:46
was written around the time she actually did it. >> Okay, so this is kind of a standard
00:18:53
thing for the defense to do, right? like question the motives and the motivation
00:18:57
of a witness. >> Um, so we that's fine, but what is the defense saying about this plot that
00:19:05
Juliana alleges that she was involved in with Brendan? >> Brendan Banfield's defense attorney, uh,
00:19:12
John Carroll, disputed this whole catfishing story. This was in his openings. Uh during the cross-
00:19:18
examination, he tried to get Juliana to share exact details from setting up that
00:19:23
account in Christine's name, but she said she wasn't able to uh remember a lot of the details. Oftentimes, you
00:19:32
would hear her say, "I don't know. I don't recall. I things like that." Or, "I've I told you that before." And there
00:19:40
was clearly tension between her and Mr. Carol. >> Yeah. In fact, the defense attorney sort
00:19:46
of asks her about that, about her sort of weak memory. I want to play some sound from that.
00:19:51
>> I mean, with all due respect, you don't remember a lot of details. >> Yeah. >> And that's what's um really concerning
00:20:00
about this. >> Well, if you were in my shoes, you don't remember either. You know, your brain
00:20:03
has a way to defense mechanism it's called. >> Okay. And it protects you from losing your mind, losing yourself and
00:20:12
many things our brain blocks out. And I guess everybody can relate to that at some point.
00:20:19
>> Okay. Um I I mean it's reasonable. It's been a number of years and so if she doesn't remember details, it's also
00:20:26
something conveniently that witnesses often seem to forget in crucial details >> sometime. Yes. And I and you know I
00:20:34
think sometimes in I know if I'm messaging you know there's a lot of things going on with work or messages
00:20:41
and things like that I may not remember certain you know certain dates and things of that nature but when there's
00:20:46
something um as important as what happened here on that day um you would probably I would venture to say possibly
00:20:57
be able to remember some of those things leading up to it and after >> absolutely and and the Other thing that
00:21:02
the defense sort of tried to do as well is kind of, you know, be critical of her
00:21:07
character. And they bring up the fact that, you know, she needs money. She's dependent on Brendan's mother for money,
00:21:13
but she's looking for money elsewhere, too. >> And he dissects all of her messages and
00:21:19
but obviously pulls out the ones that are most important to what he wants to bring forward. And there's talk about
00:21:25
how Juliana could profit from all of this. and the defense asks her about this, you know, exchanges that she's had
00:21:31
over this time of incarceration with the media specifically. Now, full disclosure, a 48 hours producer was
00:21:39
mentioned during this trial since we are covering the case um and seeking an interview, but we made it clear that CBS
00:21:48
News does not pay for access ever. It's also important to note when we're working these cases and stories,
00:21:54
especially over long periods of time, um, sometimes we don't do them, sometimes we do move forward with them.
00:22:01
We reach out to everyone. It's very important. We want to be we want to be accurate. Um, and that's just it's what
00:22:09
we do. It's what we've always done at 48 hours and it's what we'll continue to do.
00:22:14
>> Yeah, I think that's underline and highlight that. So, this case is starting off with, you know, well,
00:22:19
fireworks for sure. Um, what can we expect now in the coming weeks? >> Well, the defense attorney, John
00:22:24
Carroll, in his opening statement referenced the fact that detectives who didn't agree with this catfishing theory
00:22:31
were transferred. So, we may hear more about that. I also have a witness list here. This is from the Commonwealth. It
00:22:37
was filed with the court. I was in the clerk's office earlier this week going through some of the the filings, some of
00:22:43
the old ones, some of the new ones. I don't have a defense witness list right now. This trial is slated for 4 weeks.
00:22:49
Whether it will go four weeks or not, it's anyone's guess, but we will be tracking this and we will be keeping a
00:22:57
very close eye on this case. >> So, we don't know if we'll see Brendan uh on the stand, but boy, things are
00:23:02
starting off really, really [music] interesting. Thank you so much, Michelle, for joining us.
00:23:06
>> Thank you so much for for having me here [music] with you today.

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Episode Highlights

  • Inside the Brendan Banfield Trial
    Exploring the shocking details of the trial involving Brendan Banfield and the murder of his wife.
    “This is one of the most talked about trials in the country right now.”
    @ 00m 49s
    January 16, 2026
  • Juliana's Transformation
    Juliana Perez Magalles, the co-defendant, appears drastically different in court, raising questions.
    “She looked drastically different.”
    @ 03m 45s
    January 16, 2026
  • The Alleged Murder Plot
    A detailed plan involving catfishing and deception unfolds in the courtroom.
    “I still cannot get over the level of detail that went into this alleged plot.”
    @ 07m 27s
    January 16, 2026
  • Trial Expectations
    The trial is slated for four weeks, but its duration remains uncertain.
    “Whether it will go four weeks or not, it's anyone's guess.”
    @ 22m 49s
    January 16, 2026

Episode Quotes

  • This is one heck of a case, boy.
    Inside The Banfield Trial: Au Pair Testifies
  • It's hard to say how people should behave, but that certainly raises some eyebrows.
    Inside The Banfield Trial: Au Pair Testifies
  • I'll take the blame for both of us.
    Inside The Banfield Trial: Au Pair Testifies
  • Things are starting off really, really interesting.
    Inside The Banfield Trial: Au Pair Testifies

Key Moments

  • Trigger Warning00:05
  • Brendan's Defense00:43
  • Juliana's Testimony03:18
  • Fake Outing07:50
  • 911 Call12:51
  • Child in Danger13:41
  • Juliana Arrested14:03
  • Witness List22:36

Words per Minute Over Time

Vibes Breakdown