Mackenzie Shirilla’s Father Insists Fatal Crash Was Never Intentional: “Davion Wouldn’t Have Been There If She Planned to Kill Dominic”

Nearly three years after a devastating car crash claimed the lives of two young men and led to one of the most closely watched criminal cases in Ohio, the father of convicted teenager Mackenzie Shirilla continues to maintain that his daughter never intended to cause the tragedy.

Steve Shirilla has once again spoken publicly in defense of his daughter, arguing that the prosecution’s theory of an intentional murder-suicide plot simply does not align with the facts as he understands them. In a recent interview, he insisted that one detail in particular has always stood out to him: the presence of family friend Davion Flanagan in the vehicle.

According to Steve, if Mackenzie had truly planned to kill her boyfriend, Dominic Russo, she would never have involved an innocent third person.

The crash occurred in July 2022 when Mackenzie, then 17 years old, drove her Toyota Camry at extremely high speed into a brick building in Strongsville, Ohio. The violent impact killed both Russo, 20, and Flanagan, 19, who were passengers in the car. Mackenzie survived despite suffering serious injuries.

The shocking nature of the collision immediately attracted public attention, but what transformed the case into a national story was the prosecution’s argument that the crash was not an accident at all.

Investigators alleged that Mackenzie intentionally accelerated the vehicle to more than 100 mph before steering directly into the building. Prosecutors described the incident as a deliberate act motivated by turmoil in her relationship with Russo, portraying it as an attempt to end what they characterized as a toxic romance.

Following a highly publicized trial, Mackenzie was convicted in August 2023 on all 12 criminal counts against her, including murder, aggravated vehicular homicide, felonious assault, and drug-related charges.

She ultimately received two concurrent prison sentences of 15 years to life.

Despite the verdict, her parents have never accepted the conclusion reached by prosecutors and the court.

From the very beginning, Steve and Natalie Shirilla argued that their daughter suffered a medical emergency behind the wheel and lost consciousness before the crash occurred.

They have repeatedly claimed that critical evidence supporting their theory was never fully considered during the trial.

In the Netflix documentary The Crash, the family expanded on those concerns, stating that independent investigations and additional evidence raised serious questions about whether the tragedy was truly intentional.

The documentary reignited public interest in the case and introduced a new generation of viewers to the controversy surrounding Mackenzie’s conviction.

Now, speaking during an appearance on True Crime This Week, Steve Shirilla once again challenged the prosecution’s version of events.

“I’ve asked her directly if she did this on purpose,” Steve said.

“Her answer has always been no.”

According to him, the involvement of Davion Flanagan is one of the strongest reasons he doubts the state’s theory.

“If she was truly that angry at Dominic, angry enough to kill him in that way, then why would Davion be in the car?” Steve questioned.

“That makes absolutely no sense to me.”

His argument reflects a belief that the presence of a second victim undermines the idea of a carefully planned act targeting Russo.

To Steve, the crash appears inconsistent with the image prosecutors presented of a teenager intentionally carrying out a deadly act against her boyfriend.

Throughout the trial, however, prosecutors pointed to several pieces of evidence they believed demonstrated intent.

These included surveillance footage, black-box vehicle data, cellphone evidence, and social media activity that they argued revealed emotional distress surrounding Mackenzie’s relationship with Russo.

The prosecution maintained that the available evidence painted a clear picture of deliberate action rather than a medical event or accidental collision.

Yet Steve remains unconvinced.

He says one of the most difficult parts of the aftermath was witnessing his daughter’s reaction following the crash.

According to him, her grief appeared genuine and overwhelming.

For months after the incident, Steve spent countless hours with Mackenzie while she recovered physically and emotionally.

He recalled watching her repeatedly revisit memories of Russo through photographs, videos, songs, and personal mementos.

“I sat with her every day for months,” he explained.

“She constantly watched videos of Dominic. She looked through pictures. She listened to songs that reminded her of him.”

Steve described her bedroom as being filled with reminders of Russo.

“There was practically a shrine dedicated to him,” he said.

The grieving father acknowledged that many people remain unsympathetic toward Mackenzie because of the deaths involved.

He understands that public anger remains intense.

However, he insists that those who witnessed her private reactions would see a very different picture.

“When she learned Dominic had died, the sound that came out of her was heartbreaking,” Steve recalled.

“It was pure devastation.”

According to him, her emotional collapse in the days and weeks after the crash is incompatible with the idea that she intentionally killed Russo.

“She cried herself to sleep night after night,” he said.

“I know some people will say she deserved that pain. But what I saw was remorse.”

Steve emphasized that while his daughter may have made poor decisions as a teenager, he does not believe she was capable of deliberately murdering two people.

“She was seventeen,” he said.

“She was immature. She was dealing with emotions. But she wasn’t trying to kill anyone.”

Public scrutiny surrounding Mackenzie intensified several months after the crash when photographs emerged showing her participating in Halloween festivities while criminal investigations were still ongoing.

The images, which showed her wearing horror-themed costumes with friends, sparked backlash online and led some critics to question whether she truly understood the gravity of what had happened.

Supporters of Mackenzie argued that the photographs failed to capture the full reality of her emotional state and were unfairly used to shape public opinion.

In The Crash, Mackenzie herself addressed the issue of intent while speaking with her attorney.

Her message remained consistent with the position her parents have maintained throughout the legal proceedings.

“I want people to understand there was no intent,” she said.

“There was absolutely no intention whatsoever.”

She also expressed sympathy for both victims and their families.

“I feel enormous remorse for Dominic and Davion,” she stated.

“I think about them constantly. I think about their families constantly.”

Mackenzie added that she hoped one day to convince others that the collision was not a deliberate act.

“This was not intentional,” she said.

“I will continue fighting to prove that.”

The Shirilla family has continued pursuing legal appeals in an effort to overturn the conviction.

Their attorneys have argued that the evidence presented during the trial does not conclusively establish intent beyond a reasonable doubt and that alternative explanations deserve further examination.

Whether those appeals will ultimately succeed remains uncertain.

For Steve, however, the legal battle has become deeply personal.

Near the conclusion of his recent interview, he reaffirmed his unwavering support for his daughter.

“I’m never going to stop fighting for her,” he said.

“I love my daughter, and I believe she was wrongly charged.”

He added that no argument has yet persuaded him that the prosecution’s version of events is the correct one.

“Unless someone can show me undeniable evidence, I’ll continue believing she didn’t do this intentionally.”

The controversy surrounding the case has extended beyond the courtroom.

Following the release of the Netflix documentary, Steve himself became the subject of attention. Reports indicated that he was placed on administrative leave from his position as an art and digital media teacher at Mary Queen of Peace School in Cleveland.

According to local media reports, school administrators informed parents that a staff member had been placed on leave due to concerns involving judgment and public attention surrounding the case.

The decision generated additional debate, with supporters arguing that Steve was being punished for publicly defending his daughter, while critics questioned whether his public statements were appropriate given the circumstances.

As appeals continue and public interest remains high, the case remains one of the most polarizing criminal stories in recent memory.

At its center are two grieving families who lost loved ones, a young woman serving a life sentence, and parents who continue to insist that the tragedy was a horrific accident rather than a calculated act.

For Steve Shirilla, that belief has never changed—and he says it never will.