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02x07 - Under the Influence

Episode transcripts for the TV show, "Mean Girl Murders". Aired: March 13, 2023.*
Watch/Buy Amazon


It showcases the inner workings of cliques, backbiting and cruel intentions.

02x07 - Under the Influence

Post by bunniefuu »

Having fun with Kenzie was
very much a serotonin rush.

She was a lot more driven than
other kids at that school.

Mackenzie's friends
followed her everywhere.

Any bathroom Mackenzie was in,

she had ten girls
in there with her.

Most of them wanted
to be models,

they wanted to be
Instagram famous.

This is a girl who might have
a lot of enemies.

Well, I'm just one of those
girls that can do

a lot of drugs and not die.

I think there is a dark side
to being on social media,

and sometimes teenagers can
find themselves

in dangerous situations.

[Mackenzie speaking]

She will burn your world down.

It's like a teenage
movie nightmare.

She will come after you until
you have nothing left to give.

[man speaking]

[theme music playing]

[sirens wailing]

[Tim] In the morning
on July 31, 2022,

police responded to

a horrific,
catastrophic car crash.

[officer] Radio, this car is
split in two.

[officer] Radio, there's
an occupant inside.

We got to bust the window out.

Send us some more units.

[indistinct radio chatter]

-Now!
-[indistinct reply on radio]

This is not a fresh
accident either.

She's been here for a while.

[Tim] This was a clear summer
morning in July.

It was not raining.
The roads were dry.

The car looks
like it's exploded.

The police didn't think that
anybody could have

survived this.

So the first thing they do is
run the plate.

[dispatcher] I have a

[narrator] The car belongs to

[bleep]

[officer] That's the worst
I've ever seen.

Strongsville, Ohio,
is about 20 minutes

southwest of Cleveland,
nice little suburb of the city,

some very
affluent neighborhoods.

Strongsville's definitely seen
as upper class.

You have kids that come from
the great big houses

and the parents that buy them
everything brand new.

As well-off as they might be,
there is a lot of pressure

on teenagers to do well
and hopefully better than

their parents did and they want
to see their children strive

and achieve something more
after high school.

[narrator]
And if you're a teenage girl

at Strongsville High,

you're probably focused on
sports, SATs,

and applying
to the best colleges

as a springboard
to the good life,

but 16-year-old Mackenzie
Shirilla has her sights set on

a different path to success.

♪♪♪ It's a glow up
You can hashtag that ♪

♪♪♪ Upgrade, new style ♪

♪♪♪ Glow up ♪

♪♪♪ Better go glow girl ♪

[Jaina] When I first met
Mackenzie in middle school,

I thought she was

the most beautiful,
bright, happiest girl,

and I wanted
to just be her friend.

She had a very
big personality.

I remember hanging out,

laughing,
just having so much fun.

It made me just want to be
friends with Kenzie forever.

Having fun with Kenzie was
very much a serotonin rush.

[Rachel] Even as a young girl,
Mackenzie was driven

to have her image out there.

She was always posting

every part
of her life on social media,

every friend that she had,
everything that she was doing.

Once Mackenzie
started high school,

I did notice
a drastic change in her,

and she dressed
like she was going to apply

for a job in
a strip club almost.

In high school, it was
half shirts, booty shorts,

furry boots that
go up to your knees.

[Davyne] When she came into
school, she had new Prada bags

and new fuzzy shoes.

Mackenzie definitely
wanted to be the "it" girl

and like
everyone looking at her.

Like all her poses
would be the same,

like the same like
kissy face, the same outfits.

Kenzie did want to
be an influencer.

She was a lot more driven than
other kids at that school.

She very much wanted to
start her career.

This is the one thing I
started doing that made me

significantly more attractive.

I am a TikTok content creator
and social media strategist.

In order to really build
a successful personal brand,

you have to be willing to put
yourself out there and be in

touch with what's cool,
what's trending of the moment.

A lot of influencers,
Their ultimate goal is to make

a living and make a business
off of being themselves

and entertaining people
who are interested in them.

[Jaina] I would say Kenzie's
brand was definitely fashion.

She was very fashionable.

She knew how to put clothes
together and to do her makeup,

and she knew what went
with what.

I believe she was getting
packages from big companies

and having her test them out
and post about them.

♪♪♪ All eyes on me ♪

♪♪♪ I shine with
everything I do ♪

♪♪♪ All eyes on me ♪

♪♪♪ Yeah, I'll do me
and you do you ♪

There's absolutely an
association with how you look

and how your
social media post performs,

and there is a great pressure

to dress well,
to have expensive things,

because, "I wanna follow pretty
people online."

♪♪♪ Yeah, I'll do me
and you do you ♪

♪♪♪ Yeah, yeah ♪

[narrator] But building a brand

requires more than just
the right look.

[Rachel] In order to have
the whole party girl package,

you needed the girlfriends
to go with it.

You needed the backup.

Mackenzie had that support.

Mackenzie's friends
followed her everywhere.

Any hallway Mackenzie walked,

they were walking
in a line down the hallway.

Any bathroom Mackenzie was in,

she had 10 girls
in there with her.

Her main girls were
Rosie and Nina.

[Jaina] Mackenzie was definitely
the queen bee,

the star of the show,

and it kind of seemed like
they were her security guards.

[Davyne] Most of them
wanted to be models,

they wanted to be Instagram
famous, like,

"Oh, look at me,
I'm out at this party,"

or, "Look at this
new outfit I got."

They definitely think that
they're hot [bleep],

[narrator] And there's one final
essential accessory

that Mackenzie flaunts online --
a boyfriend.

[Fiona]
When you see a girl online

who has this cute boyfriend

and this relationship that
you might not have, that could

be a reason
why you follow her,

almost like a reality TV show.

What is she up to now?

Where is she going?

What's her and
her boyfriend doing?

[Stacey]
Dominic Russo is an older boy.

He was a junior when
Mackenzie started dating him.

She was three years
younger than him.

By the time 2022 comes around,
they've been together for

a couple of years.
He's 20 and out of school.

He came from a pretty
well-to-do family.

Dominic lives in the house
next door to his parents.

He had a recording studio
in his house.

He also dabbled in
investing and Bitcoin.

Obviously, she's
very thrilled.

Dom was definitely every
girl's dream.

He has curly hair, super tall.

I remember seeing him at
school and thinking

oh, my goodness, he is such
a gorgeous man,

but he was very bright,
he was nice.

Girls were definitely jealous
that Kenzie had Dom.

Dominic was goal-oriented.

He had done well with stocks.

He had opened up
clothing lines.

He wanted to be a singer.
He was writing songs.

He made the money,
and he provided for Mackenzie.

She was glued to
Dominic's hip.

From the day that they met,
they were inseparable.

Mackenzie basically lives in
Dominic's house as well,

even though she's only 17.

They're having people over,
they're entertaining.

[narrator]
By the time her senior year

of high school rolls around,

Mackenzie Shirilla
seems to have it all.

A hot boyfriend,
a loyal girl squad,

and companies sending her
cute merch to model.

She's just living this life
that any other girl her age

would envy.

[narrator] But living the life
comes with a dark side.

Having an online presence
absolutely opens you up

to haters.

There's -- no matter what
you post, no matter what

you look like, what you're
saying, there are going to be

people who want
to start drama.

Being on social media can give
you enemies, a lot of them.

Mackenzie had
a lot of enemies.

Mackenzie's senior year, she's
putting it all out there online.

She's had this rock star life.

She's kind of showing off.

It seems like she's just
sitting on top of the world.

A lot of 17-year-olds,
like Mackenzie, use these

universal teenager experiences
of going to school,

of partying with your friends,
of shopping for clothes,

and then take it to
the next level,

but there usually are people
who are going to be jealous.

So someone on TikTok might see
it and feel,

oh, I do those things too,

but why does her life feel
one step more glamorous?

Why does it have this kind of
extra edge that mine

doesn't have?

[narrator] It's one thing to
look great on the 'gram,

but it's quite another to turn
yourself into a business.

Mackenzie has followers on
her social media accounts,

but it's basically people
who directly know her.

She's not TikTok famous yet.

[Jaina] I actually remember
Kenzie posting her TikTok

amount of money that she would
get from her lives, her videos,

and it wasn't much.

[narrator] If she ever wants
to make serious coin

as an influencer,
she may need to level up.

I imagine that a young person
who gains traction online,

there is a pressure from
family and friends to make it

a business and kind of
create a lane for themselves,

because once you start,
you can really go far with it.

There is this pressure to be
online pretty much all

the time, trying new things,
being risky, going out of your

comfort zone and opening
yourself up,

and it's hard
to draw a boundary.

[narrator]
You never know who is on

the other side of that screen.

[Fiona]
I think there is a dark side

to being on social media

because you do experience
negativity, you do experience

these insecure people
who might be interacting with

your posts and pages,
and it's very unpredictable,

and sometimes teenagers
who are willing to take risks

can find themselves in
dangerous situations.

Mackenzie always wanted herself
seen, whether it was in

a positive way
or a negative way.

She always wanted to be seen.

Someone so reckless like
Mackenzie definitely does not

care about the repercussions.

Mackenzie should be
watching her back.

[narrator] But Mackenzie
is too busy living her life

to be bothered
by online creepers.

Mackenzie Ford Shirilla.

[narrator] She has
a bright future to get to.

[Stacey] It's July 30, 2022,
in Strongsville, Ohio,

a lot of
graduation parties going on.

It's beautiful weather,
and Mackenzie and Dominic are

looking for
something fun to do.

So they call up
their friend Kelly,

and they decide
to stop over there.

[narrator] Along for the ride
that evening

is Dominic's good friend
Davion Flanagan.

My brother Davion and Dom,
they both were into writing

music and singing and Dom did
have a studio,

so Davion would just rap
at his studio.

Davion is exactly the kind of
person that Mackenzie would

want to be seen with.

A 19-year-old popular
football player.

[narrator] Turns out Kelly's
party isn't poppin',

and Mackenzie's eager
to find a cooler crowd.

[Rachel] I did hear that
it was a chill time,

and if there's no action,
she's leaving.

The three of them only spend
about 20, 30 minutes at

Kelly's house, and they stop
back at Dominic's to find out

what else might be going on,
and then they wind up

at Paul's house.

Mackenzie's really good friends
Nina and Rosie are there.

It's not a wild time,
but they're content to just

kind of hang out,
and around 1 o'clock or so,

Mackenzie falls asleep
on the couch.

she, Dominic,

and Davion decide to get up
and leave,

to presumably drive home.

The three never made it back.

[officer] Split in half from
hitting the building here.

It looks like this is
where it split.

[Tim]
It is a horrific crash.

There are pieces
of the car scattered all over.

It looks
like it's exploded.

They look inside.

[officer] Oh, my god.

You can hear the distress in
the officer's voice.

Who can hear my voice?
Holy [bleep] man.

[officer 2] Not good, not good.

[Tim] They see a female driver.

She is wedged with her head
underneath the dashboard.

-[officer 2] She's breathing?
-[officer 1] She's breathing.

She's breathing.

What's your name, dear?

[Mackenzie speaking]

Just before 6:30,

the Strongsville Fire Department
arrives.

[officer] Driver,

Still breathing,

wedged in there.

The driver turned out to be

Mackenzie Shirilla.

She was wearing her seat belt.
She did have airbags,

and the primary impact was on
the passenger side of the car.

She was incredibly lucky to
be alive.

Anybody would be lucky
to be alive

after a crash of this magnitude.

[narrator]
Mackenzie is airlifted

to a hospital in Cleveland
in critical condition,

but she wasn't alone in the car.

[officer] Radio, we got at least
two occupants in here.

No one's moving.

Oh, my God.

Oh, my God.

We got two that are gone.

Police were able to confirm
the bodies were those of

Dominic Russo

and Davion Flanagan.

They found they were not
wearing their seat belts.

The destruction on especially
the passenger side of the car

was so bad that airbags would
have been almost useless.

They couldn't have
survived this.

It's a gut punch.

You think, what's the worst
that could happen?

And the worst that could
happen is to get that phone call

from the police.

I literally couldn't speak for
about 15 seconds.

The air just left my body.

I hung up the phone and I took
a couple minutes just to

myself trying to think,

how the heck am I going to
tell my wife and daughters

that Davion is gone?

My parents said, we need to
talk to you,

and I said, what happened
to Davion?

I'm like, is Davion okay,

because I had,
like, a feeling.

And they were like,
no, he passed away.

My heart just, like, sunk
to the floor.

I was like, how?

This is not real.

I had a call,
and it was my dad.

But I could hear something
wrong with his voice.

I just sensed it right
off the bat.

All's I heard was Dom's,
Dom's --

D-Dom, Dom's gone.

It was just complete, um,

complete shock as to

what had happened,
why it happened,

and was Kenzie
going to survive?

How sad she'd be
when she woke up and realized

you accidentally k*lled
the love of your life

and his friend.

[Tim] Mackenzie had suffered
some injuries.

She had a broken femur.

She had a broken humerus bone,
several fractured ribs,

and some internal damage.

I know she underwent
several surgeries.

When I heard the news, I had
texted her and asked her if

she was still alive
and if she was okay.

I never got a text back.

So I originally thought that
Mackenzie was dead as well,

that she died in the hospital.

That's what most
people thought,

and then once she got
her phone back, she was on

social media, again,
posting stuff.

Initially, she's asking,
what happened?

Where are Dominic and Davion?

And she's told that they did
not survive.

She's absolutely distraught.

Of course, the first question
everybody has for Mackenzie

is, what happened?

My dad was in communication
with her and her parents

the whole entire time.

Mackenzie would talk to my dad
almost every day

after it happened.
She would just cry.

She said she blacked out,
couldn't remember.

She hit her head.

She was sorry, and she didn't
remember anything.

[narrator]
Eight days after the crash,

Dominic Russo is laid to rest.

Mackenzie posts a tribute to
her beloved Dom from

her hospital bed.

[Stacey] She starts posting
how much she loved him.

She comments, I miss you,
Nug, and how much she misses

him and won't be able
to go on without him.

The response to her on social
media is overwhelming.

Her friends responding,
you got this, Kenz.

Strangers just telling her how
much they love and support her.

[narrator]
One week later,

a funeral is held
for Davion Flanagan.

Thank you to Davion for being
Davion, the person who I had,

the person who I lost,
but will never stop loving,

the person who passed,
but will never stop living.

Number five on the football
field, but number one

in our hearts.

Thank you, brother,
for the memories,

and thank you, my angel,
for watching over me.

[Scott] There was
an outpouring of support.

There were calls and letters
to try to support us

in our loss,
but you want to get details.

You want information.

I want to know what happened
to our son.

[narrator]
As family and friends mourn,

investigators start to build

their theories
about what happened.

The starting assumption

was that this was teenagers
probably partying on

a Saturday night, driving too
fast, acting recklessly,

acting out of control.

[Christine]
I was assuming, I don't know,

that she could have been
drinking.

They were young.

I thought maybe she was just
going fast or something

and lost control.

[Stacey]
Another consideration was,

did Mackenzie suffer
some sort of medical condition

at the last
minute that prevented her

from slamming on the brakes
or seeing what was going on,

but police found
that there was nothing

in her medical history

or anything that was found
when she was in the hospital.

[Tim]
Mackenzie's blood was submitted

for toxicology results,

and there was no
alcohol in her blood.

The only thing that was in
her blood was THC,

consistent with
smoking marijuana,

and they're thinking,
she's high.

This has got to be the most
likely cause of this crash.

[narrator] It looks like
yet another teenage tragedy.

But a review of surveillance
footage from the night of

the accident reveals something
far more disturbing.

There was a camera on a local
business that was pointed

almost directly at
the intersection

of Progress and Alameda.

What you see at 5:34 in
the morning is the Toyota,

driven by Mackenzie slowly
approaching a right-hand turn.

The turn signal is on.
She's applying the brakes.

And it's a very slow
and controlled and deliberate

right-hand turn.

She was not driving consistently
with being high on THC.

This was not reckless driving.

[narrator]
So what could have happened

to turn this ordinary car ride
lethal?

[Tim]
Officers are able to locate

video from several businesses.

So the next video is the crash
impact video and this is about

the first video.

The video shows the car
driven by Mackenzie

for just a matter of seconds.

It's going at an incredibly
high rate of speed,

just a white blur
like a m*ssile...

...into the building.

[loud crash]

[narrator] From the video,
it appears the brakes

were not applied.

Could they
have been tampered with?

It was the speed and the
absence of braking that really

made the investigators start
thinking this may not

have been an accident.

One of the things
investigators notice right off

is that in that video,
you never see the brake lights

on the back of the car.
There are no skid marks.

There was no sign that
the brakes were ever applied

in that car.
So they're wondering why.

Police always have to
consider, did maybe somebody

sabotage the car?

Was there someone
who purposely did something to

the vehicle to make it
go out of control?

[narrator] But who doesn't like
the most popular girl in school?

It turns out, almost everyone.

Kenzie's change in high school
was very drastic.

Kenzie's personality shifted
to kind of a darkness.

She was very mean
and just aggressive.

It was a very toxic environment
to just even be around her.

In reality, Mackenzie was just
the meanest girl in school,

and just tore
everybody down with her.

When you saw Mackenzie coming
down the hallway,

it's best to just
get out of the way,

because you don't
want the confrontation.

[Davyne] Mackenzie was popular,
but for the wrong reasons.

She wasn't a nice popular,
she was like the mean popular.

If she was having a bad day,
everyone was having a bad day.

[narrator] And Mackenzie didn't
just make enemies,

she kept a list.

[Stacey] As investigators dig
deeper into who Mackenzie is,

they find that she has this
list with a friend that is

their b*tch list.

It's a very malicious list of
people that they don't like

and whatever they did to
the person or what they wanna

do to this person too.

It's just, it's very
malicious.

Me and Kenzie had a falling
out and she spread lies about it

and put me on social media
and called me names.

It was very frustrating.
I've had my fair share of

almost fighting Kenzie.

I know I'd be on that list.

Mackenzie wanted Strongsville
High School to be played out

like Mean Girls.

She was Regina George,

and everybody else
were little peasants.

She will burn your world down.

She will come after you until
you have nothing left to give.

All of the people that
Mackenzie hurt,

they want revenge.

Police are starting to see
this is a girl who might have

a lot of enemies.

[narrator] And now the suspect
list could include

seemingly every wronged girl
at Strongsville High.

[Tim] Investigators had to look
at every possibility that there

could have been foul play.

The police department called
in a renowned expert

forensic mechanic who was able
to conduct a thorough

investigation of that Toyota.

They discovered that
the braking systems were

working properly,
that the acceleration system

was working correctly,
that the suspension was

working properly and that
there had not been any

tampering with any of
the vital systems of that

Toyota to add to this crash.

[narrator] The mystery of what
caused the collision continues.

Perhaps this was just
a tragic accident.

The crash may have taken
Mackenzie's boyfriend,

but it's also delivering
the thing she craves most.

And when she was in the hospital
and posting about the situation,

she did gain
a lot of followers.

She was in news articles.
She was on TikTok.

She was on Instagram.
She was trending on Instagram.

While Kenzie was in
the hospital, on Instagram,

she had some modeling agency

that was commenting
on her pictures,

telling her how beautiful
she was and how they would

love to collab
and work with her.

She responded,

"Oh, I can't wait either,

thank you so much for
this opportunity."

It was shocking.

[Stacey] Two people have just
died and you were the driver

of the vehicle,

and yet you're over the moon
that this agency has just

reached out to you on
social media.

She gets out of the hospital
and one of the first things

she does is go to a concert,
and she's in a wheelchair

on her phone, presumably on
social media,

but she's dressed in a cute
little outfit and out partying

with her friends.

[narrator] It's not a crime to
have a good time, but my oh my,

how quickly Mackenzie has
moved on.

I'm not even cool, I'm just
one of those girls that can do

a lot of drugs and not die.

I mean, there's no one who can
rationalize why a person would

post something like that,

but the most shocking thing
was that Halloween video.

It's now three months after
the crash, and it's Halloween,

and Mackenzie posts a video.

It looks like she's dancing in
a hotel room with a couple

of her friends,
and they jump from dancing

to them in costumes
dressed as corpses,

and the reaction
was just, it went wild.

[Davyne]
I got really, like, upset.

And I'm like, what
are they doing?

Like, why are they dressed
like that?

So I went to my parents.

[Scott]
Davyne was a little detective.

She was getting a lot of
information that we were able

to share with the police.

We were just
absolutely blown away

by the sheer audacity,
the sheer lack of empathy

that those pictures entailed.

Show some remorse.

Put down your phone for
five minutes and grieve.

[narrator] Davion's family
aren't the only ones going to

the police with stories of
Mackenzie's behavior.

While Mackenzie's posting
these things, members of

Dominic's family are coming
forward and giving an entirely

different side of Mackenzie.

I would say the trouble
started when Mackenzie had

first moved in like full time
to Dom's house.

She just inserted herself
all the time.

Like even if you go through
pictures and things like that

and you see Dom with the boys,
and there's Kenzie at his hip,

Dom at dinner with his friends
at his friend's birthday dinner.

There's Kenzie.

Mackenzie controlled
everything Dominic did.

He was responsible for taking
her to school

and back sometimes.

He was responsible for cooking
her very demanding diet.

He was responsible for
entertaining her,

taking her on vacation.

[Stacey] And by the spring of

in their relationship,
and Mackenzie and Dominic are

not getting along well at all.

[Christine] Every time they
would argue or fight,

Mackenzie would throw a fit,

belittle him,
call him names,

things like that.

[narrator] Between her demands
and her jealousies,

Dom was losing patience.

By the time graduation
approaches for Mackenzie

in June of 2022,
their three-year relationship

is on the rocks.

I believe people definitely
noticed the energy that Dom

was giving her was kind of
wearing off.

The presence, him posting
her, was kind of slowing down.

I think like he was just
outgrowing her, honestly.

[narrator] But nobody ever says
no to Mackenzie Shirilla.

[Tim]
Dominic's mother had uncovered

videos made by Dominic.

He was using a friend's phone
to record an incident where

Mackenzie came to their house
and was demanding access

to the house.

[Tim] You can hear the intensity
in her voice.

You can hear her intensifying
by saying,

"Open up this door right now,"

and then she starts saying
the things she's going to do.

Hearing the tape and hearing
threats, so many threats,

and Dominic's tone just really
showed what kind of person

she was, and it brought light
to how their relationship was.

[Tim] Dominic certainly was not
a perfect person,

and Dominic was as involved
in these fights as Mackenzie was

a lot of the time,

but what makes a 20-year-old
man make this recording?

He's trying to leave
some kind of a trail.

He's trying to leave something
because something is coming.

We learned from Dominic's
mother that there was

an incident about two weeks
before the crash

where Dominic had
called his mother.

He was in a car with Mackenzie
on Interstate 71.

He was telling his mother

that Mackenzie
was driving erratically...

[car revving]

...and threatening to
crash the car.

[crashing]

[Stacey] At this point, police
have already ruled out

mechanical or sabotage

or drugs
or alcohol.

They've ruled out medical.

While police continue to
canvass for evidence,

they get cell phone records.

What was retrieved from
Mackenzie's phone was a GPS

hit literally at that
intersection of the impact site,

indicating that at least
her cell phone had been there

just three days
before the crash.

[Stacey] And the question is,
why would she be there?

It's not near her home.
She doesn't work there.

It's in the middle of
an industrial park,

an office park,

and yet, there she is driving
this same path.

[narrator] To investigators,
it looks like a dry run.

[Tim]
Mackenzie knew that street.

I believe she knew exactly
what she was going to do when

she turned on to Progress,

and I think that most likely
that night, Dominic told

Mackenzie he was leaving.

Mackenzie is not used to
being told no.

She gets her way,
or something is going

to happen.

[Stacey] Without Dominic,
Mackenzie loses the free

lifestyle at his house.

She loses the boyfriend
on her arm.

Mackenzie loses her whole
identity without Dominic.

[Tim] He's such a big part
of her image.

He's such a big part
of her brand,

and without that,

she has to go back home and be
a normal high school kid again.

I think that you see that when
she's posting,

I'm the girl you die for.

She turned that corner and she
put her fuzzy Prada slipper

to the floor of that Toyota

and never lifted it up.

She never attempted to
hit the brakes.

[narrator] Investigators
arrive at a conclusion

almost too unbelievable to bear.

[Tim] She did this on purpose.

This was her solution
to life without Dominic.

And Davion was seen as just
cargo to Mackenzie.

She was clearly trying to take
all three of their lives.

The detectives struggled to
believe it because

they couldn't comprehend that
somebody could do this,

a, and survive,
but do it intentionally,

but there was no other
possible explanation.

Nobody leaves her.
The devil wears Prada.

[officer] Hi, Mackenzie.

You're under arrest for
aggravated m*rder times two.

Could you please be careful
taking this one off so

it doesn't break
the bracelet, please?

[officer] You got it.
You got it.

[Scott] It was shocking,
and yet it felt --

[sighs]
You felt a sense of relief.

Like, all we wanted was
the truth from the very start.

That's all we ever wanted.

[narrator] Mackenzie faces

including for the m*rder
of Dominic Russo

and Davion Flanagan.

She will be tried as an adult.

[Stacey]
I covered Mackenzie's trial,

and what stood out to me is to
look at how she showed up

at trial, all demure and young
and innocent looking,

no makeup on her face and her
hair just brushed straight down,

very different from the image
that she had put out there

for the world.

She still claimed
she was innocent,

tearfully apologized, saying she
would never do this on purpose.

Her defense,
they were claiming,

she blacked out and doesn't
remember and woke up

in the hospital,
and that's it.

She loved him.

My dad was always very
forgiving of her, but the way

that the prosecution,
you know, presented it...

But she used the car to k*ll
Dominic Russo.

...that really changed
our minds about

her and everything,
the whole situation.

The car was the weapon.

And it is just exactly like
that she took a g*n and shot

Dominic and Davion.

Your decisions forever
robbed Dominic and Davion

of the futures
that they had before them.

She had a mission,
and she ex*cuted

it with precision.

Her actions were controlled,
methodical, deliberate,

intentional, and purposeful.
This was not reckless driving.

This was m*rder.

[Tim] She delivered a verdict
guilty on all counts,

including the purposeful
m*rder of Davion Flanagan

and Dominic Russo.

[Scott] I didn't feel
happy at all.

I didn't feel joy.

I felt relief, like, good,
she's not out there anymore.

She can't hurt anyone else.

She can't hurt herself even.

Um, just,
just put her away

and let there be justice
for Davion and Dominic.

[judge] There's only one person
who's responsible

for the pain of everyone
in this room,

and that person is you,
Mackenzie.

[narrator] Mackenzie Shirilla is
sentenced to a minimum

of 15 years to life in prison.

Mackenzie, she wanted
the likes,

she wanted the followers,
she wanted to be at the top.

Mackenzie gets what she wants.
Mackenzie is never punished,

and now Mackenzie is punished,

and there's nothing Mackenzie
or her family can do.

I believe that Kenzie was
terrible to people because

that's just how she felt
within herself.

I know she could have been
a lot more if she just chose

a different route and got
the help she needed.

And I can't really put into
words, especially putting into

words what Dominic means
to our family,

and the loss,
that's, you know,

what it's done to us.

It's just that there's no,
there's not many words for it.

The most important thing I
want people to know about

Davion is that he wasn't just
backseat cargo.

Like, he was someone's kid,

and he was, like, my brother
to me and my sister,

and just because, like,
he's gone now doesn't mean,

like, the memory of him
should fade.

Like, that's all I have left,
and I want it to last forever.

On the next
Mean Girl Murders...

Everything about uptown
is luxury,

The typical uptyown girl
enjoys a skinny latte,

enjoys going to yoga,
buys from Lululemon.

Crystal wants to Brenda

and Brenda wants to be Kendra

no matter the cost.