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Mackenzie Shirilla was 17 when she drove 100 mph into a brick building in Strongsville, Ohio, killing her boyfriend Dominic Russo and friend Davion Flanagan. The event data recorder showed the accelerator was pressed to 100 percent with zero braking. Phone records proved she visited that exact crash site three days before.
This true crime documentary covers the full case from the 2022 crash through the 2023 bench trial, the denied appeals, and the 2026 Netflix documentary where Mackenzie spoke publicly for the first time. During that interview, a hidden lawyer coached her responses off-camera. The documentary director kept the moment she broke character because it revealed more than any courtroom evidence could.
Judge Nancy Margaret Russo found her guilty on all 12 felony counts including four counts of murder. She received two concurrent life sentences with parole eligibility after 15 years.
The black box data, CCTV footage showing a steering correction through the curve before impact, witness testimony, and her own behavior at arrest paint a case where the evidence speaks louder than any defense.
Dominic Russo and Davion Flanagan deserved justice. The court delivered it.
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Transcript
00:00It's really hard every day in here. I try to wake up and be the best person I could be
00:06every day, stay out of trouble.
00:09Three years after the crash, she finally spoke.
00:12I have excessive amounts of remorse for Dominic, Davion, both of their families.
00:20This was not intentional and I will do everything I can to prove that to the world and the families.
00:26I'm not a monster and I'm not a murderer. The car was traveling at 100 miles per hour. The accelerator
00:33was pressed to full capacity. The brakes were never touched. The judge called her actions five things. Controlled, methodical, deliberate,
00:42intentional, and purposeful. Netflix gave her an hour to explain. Her own words may have done more damage than the
00:50prosecution ever could.
00:51Mackenzie Schirilla was 17 years old, living in Strongsville, Ohio, a suburb where nothing ever happened.
01:02She'd been dating Dominic Russo since she was 13, four years together. He was 20, athletic, outgoing, and by every
01:10account, the center of her world.
01:12Davion Flanagan was 19. He wanted to be a barber. He was just getting a ride home from a party.
01:18On July 31, 2022, just after 5.30 in the morning, Mackenzie's Toyota Camry struck a brick building at the
01:26end of a quiet industrial road.
01:29Dominic and Davion were pronounced dead at the scene.
01:32Mackenzie survived. Barely.
01:34A lacerated liver, lacerated kidney, broken ribs.
01:38She told Dominic's mother she couldn't remember anything. In a message to his family, she wrote,
01:43I remember turning onto the street, and then my vision fades to black. It really kills me not to be
01:49able to remember anything. I promise you, I would tell you.
01:53For weeks, everyone assumed it was a horrific accident. A teenager driving too fast, too early in the morning, after
02:00a long night.
02:01Then, investigators pulled the data from the car's black box.
02:05The Toyota's event data recorder captured everything.
02:08In the final seconds before impact, Mackenzie's right foot was pressed to the accelerator at full force, 100 miles per
02:16hour, full throttle.
02:17And at no point, none, were the brakes applied.
02:21Security cameras captured the car's final moments.
02:24Investigators noted the steering wheel turned right, then sharply left.
02:28A navigational correction through a slight curve in the road.
02:32Not the movement of someone who had blacked out.
02:35A certified forensic mechanic examined the car.
02:38The vehicle was in perfect working condition.
02:41No mechanical failure, no brake malfunction, nothing wrong with the steering.
02:45The car did exactly what the driver told it to do.
02:48But the relationship between Mackenzie and Dominic wasn't simple.
02:52Dominic's own mother, Christine, testified that in the six months before the crash, the relationship had become volatile.
02:59Fighting, threats, breaking up and getting back together, over and over.
03:04Court records showed the conflict went both ways.
03:07Both were young, both were struggling, and both had said things they shouldn't have.
03:12The defense argued this was a toxic relationship, where both sides bore responsibility,
03:17and that the crash itself could not be definitively tied to intent.
03:21But Mackenzie never testified at trial.
03:24She never spoke to police.
03:25She never gave a single interview.
03:27Until now.
03:29I've never spoke before, and I never told my side of the story.
03:33And I understand there's many different sides to the story and different perspectives,
03:37but I just want to say my truth, and I just know myself, and I know I'm not a monster.
03:43In the Netflix documentary, her mother Natalie explained that Mackenzie had been diagnosed with
03:49POTS, postural orthostatic tachycardia syndrome, a condition that can cause sudden drops in blood
03:55pressure, dizziness, and blackouts.
03:57The defense had argued this at trial, that a medical episode not intent caused the crash,
04:03that a 17-year-old girl with a documented condition blacked out behind the wheel.
04:08I'm unsure I have, because I have no recollection of that morning, but I know nothing about it
04:14was intentional, because that's not my character.
04:16She was 17.
04:17She survived injuries that nearly killed her.
04:20She lost the person she called her soulmate, and she'd never been given the chance to tell
04:24her side.
04:25It was almost enough to make you wonder if the judge got it wrong.
04:29But prosecutors had found something the defense couldn't explain.
04:32The route Mackenzie drove that morning wasn't her normal route home.
04:36It was an obscure industrial road, one that led to a dead end at a brick building.
04:42Phone data showed Mackenzie had driven to that exact location three days before the crash.
04:47The judge would later say she made a calculated decision to take that route, at 5.30 in the
04:53morning, when any reasonable person would expect few people to be nearby, to witness it,
04:58or offer life-saving assistance.
05:00There was also the matter of a witness.
05:03A family friend named Christopher Martin testified that weeks before the crash, he overheard Mackenzie
05:09and Dominic arguing.
05:10He said he heard Mackenzie say, I'm going to wreck this car right now.
05:14But it was what she said three years later, in her own Netflix interview, that changed everything.
05:21The interview lasted one hour.
05:23Netflix filmed it at the Ohio Reformatory for Women.
05:26What viewers didn't know, until the final moments of the documentary, was that Mackenzie's
05:31lawyer had been sitting just off camera the entire time.
05:35And then it happened.
05:37The cameras captured something the prosecution never could.
05:40As the interview wrapped, Mackenzie turned away from the camera and looked at her lawyer.
05:45I don't want to force anything and just say too much or sound crazy.
05:50She wasn't telling her truth.
05:52She was checking her script.
05:53I just want to just make sure that I'm big on the no intent.
05:58There was no intent whatsoever.
06:01Big on the no intent.
06:02The director, Gareth Johnson, said he deliberately kept that moment in the final cut.
06:07He said it was important that the audience understood the circumstances under which the
06:12interview was conducted.
06:13This was not a girl telling her story.
06:16This was a performance reviewed by legal counsel, three years after she never testified, never spoke
06:22to police, and never explained a single thing to the families of the two young men she killed.
06:28Go back to the beginning.
06:29She said she had no memory of that morning, but the car's black box recorded every fraction
06:35of a second.
06:35Full accelerator, zero braking, a steering correction through a curve that required a conscious driver.
06:42When police arrested her after she recovered, the body cam captured something small, but
06:47revealing.
06:48She asked the officer to be careful removing her handcuffs so he wouldn't break her bracelet.
06:54She was wearing six bracelets.
06:56She didn't ask about Dominic.
06:57She didn't ask about Davion.
06:59In the months between the crash and her arrest, prosecutors showed the court her social media.
07:05Concert videos, college parties, what the prosecution called a shocking lack of remorse.
07:10I feel like anybody's social media isn't really them.
07:14It's how they want the world to see them.
07:16And at the time, that's how my 17-year-old brain was wanting to be seen.
07:20She was right about one thing.
07:22Social media isn't really who you are.
07:25But neither, it turns out, was the Netflix interview.
07:28The director said there was a black hole at the center of this case.
07:32What happened inside the car in the seconds before impact?
07:35And after three years, one documentary, and one carefully managed hour on camera, the black
07:42hole is still there.
07:43Because Mackenzie Schirrilla has never once, not to police, not to the judge, not to the
07:49families, and not to Netflix, explained what she did.
07:52She just keeps saying she can't remember.
07:55The court said no.
07:57This was not reckless driving.
07:59This was murder.
08:00August 14, 2023.
08:02Bench trial.
08:03Guilty on all 12 counts.
08:05Four counts of murder.
08:07Four counts of a felonious assault.
08:09Two counts of aggravated vehicular homicide.
08:11Two concurrent life sentences.
08:13First eligible for parole in 2037.
08:16She will be 33 years old.
08:19And I know I'm not a monster.
08:21The accelerator was at full capacity.
08:23The brakes were never touched.
08:25She had driven to that exact spot three days before.
08:28The judge said she morphed from a responsible driver to literal hell on wheels.
08:34And when Netflix finally gave her the chance to explain, after three years of silence, she
08:39turned to her lawyer and asked how she should sound.
08:42Dominic Russo was 20 years old.
08:45Davion Flanagan was 19.
08:47Davion Flanagan family created the Davion Flanagan Memorial Scholarship to help aspiring
08:53barbers achieve their dreams.
08:54If this case made you question what you thought you knew, subscribe.
08:59We do this every week.
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