Crime + investigation

Gabby Petito's Death: What Was Brian Laundrie's Motive for Killing His Fiancée?

The couple headed out on a cross-country summer road trip in 2021. Both disappeared, with her remains being found in Wyoming and his turning up in a Florida swamp.

North Port, Florida Police Hold News Conference Regarding Case Of Missing Women Gabby PepitoGetty Images
Published: August 06, 2025Last Updated: September 18, 2025

When 22-year-old Gabby Petito and her fiancé, 23-year-old Brian Laundrie, embarked on a months-long, cross-country road trip in a retrofitted white Ford Transit van, Petito hoped the jaunt would take her Instagram and YouTube vlogs viral and launch her into “van life” stardom. 

But it was her disappearance that made headlines around the world. 

The couple departed on July 2, 2021. On September 1, only Laundrie returned to their Florida home. 

Law enforcement agencies began a sweeping search for Petito in the national parks that they had visited. Thousands of social media sleuths launched their own amateur investigations, scouring Petito’s posts and pages for clues to her whereabouts. Their suspicions quickly fell on Laundrie.  

After returning home, Laundrie refused to speak with authorities. Then, on September 11, Laundrie went missing, too. 

Authorities discovered Petito’s body on September 19 near Grand Teton National Park in Wyoming. Weeks later, they found Laundrie’s remains in a marshy reserve close to the couple’s home in North Port, Fla.

In a notebook located near Laundrie, police found a written confession confirming he killed Petito. There had been signs the couple’s relationship was strained: Police in Moab, Utah, stopped Petito and Laundrie after a 911 caller claimed they had seen them hit and push one another. But what really drove Laundrie to kill Petito remains unconfirmed.

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Beyond the Headlines: The Gabby Petito Story

This special chronicles the twists and turns of the tragic road trip through the lens of Gabby's social media presence.

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Weeks of Worry: When and How Gabby Petito Died

Petito’s parents, Joseph Petito and Nichole Schmidt, last heard from their daughter in late August 2021, they told authorities. At the time, Petito told her parents that she and Laundrie were leaving Utah for Grand Teton National Park. Her last Instagram post is dated August 25, 2021. 

Authorities found Petito’s body in the wilderness of the Spread Creek Dispersed Camping Area in Bridger-Teton National Forest next to Grand Teton National Park. Based on her body’s condition, it’s likely Petito died shortly after her last Instagram post, a coroner later said.

“I collapsed to the ground,” her stepfather, Jim Schmidt, said after he learned she was found

Following an autopsy, the coroner determined that Petito died from blunt force trauma and strangulation

Brian Laundrie Becomes a Suspect in Gabby Petito’s Death

For weeks after Petito’s disappearance, Laundrie stayed silent, refusing to meet with police. North Port’s police chief, Todd Garrison, pleaded with Laundrie’s attorney to arrange a meeting with him. 

“The lack of information from Brian is hindering the investigation,” Garrison said in a September 2021 statement.

But Laundrie’s attorney, Steven Bertolino, declined. 

Authorities later found Laundrie’s Ford Mustang at the T. Mabry Carlton Jr. Memorial Reserve and Myakkahatchee Creek Park, a 24,565-acre swampy reserve in Florida’s Sarasota County. There was no trace of Laundrie, though, in what police described as the “flooded,” “snake-infested” park.

As police continued to search for Laundrie, federal authorities issued a warrant for his arrest. They weren’t accusing Laundrie of killing Petito. Instead, the warrant alleged that Laundrie had used a bank debit card belonging to Petito in the days after her disappearance.

Seven weeks after Laundrie had returned home alone, and four weeks after Petito’s body was found, authorities in Florida uncovered human remains in the wildlife area they’d been searching. After comparing dental records to the remains, authorities reported they had finally found Laundrie

The Murder of Gabby Petito: A Look at the Police Response and Intimate Partner Violence Among Young People

About two weeks before Brian Laundrie strangled his 22-year-old fiancé Gabby Petito to death in late August 2021, the couple had an encounter with law enforcement in Moab, Utah. Could different decisions by the police officers have prevented Petito's death?

A large outdoor sign featuring the text "Gabby Petito" and an illustration of a person with angel wings, set against a nighttime backdrop with trees and a building in the background.

About two weeks before Brian Laundrie strangled his 22-year-old fiancé Gabby Petito to death in late August 2021, the couple had an encounter with law enforcement in Moab, Utah. Could different decisions by the police officers have prevented Petito's death?

By: Elena Ferrarin

Why Did Brian Laundrie Kill Gabby Petito?

Petito’s family was still grasping to understand who was responsible for their daughter’s death and why she had been killed when authorities discovered Laundrie’s remains. Near his body in the 160-acre park, Laundrie’s pocket notebook gave them at least one answer.

In tight, blue handwriting, Laundrie confessed to killing Petito, according to a formal statement by FBI Denver Division Special Agent in Charge Michael Schneider announcing the completion of the investigation. No one else was suspected in her death, he added. 

The FBI never disclosed the contents of the notebook nor Laundrie’s alleged incriminating statements. But months later, Bertolino, the Laundrie family’s attorney, released eight pages of the journal after the federal agency returned the notebook to Laundrie’s parents, Christopher and Roberta Laundrie.

Laundrie wrote that Petito fell during a hike in Utah, badly injuring her head. Petito was “gasping in pain,” Laundrie wrote, and “begging for an end to her pain.” 

“I don't know the extent of Gabby’s ingerys (sic),” Laundrie continued, “only that she was in extreme pain. I ended her life, I thought it was merciful, that it is what she wanted, but I see now all the mistakes I made. I panicked, I was in shock. But from the moment I decided, took away her pain, I knew I couldn’t go on without her.”

On the final page that was released, Laundrie wrote: “I have killed myself by this creek in the hopes that annimals (sic) may tear me apart. That it may make some of her family happy.”

Petito’s mother didn’t believe Laundrie’s claims.

“That was his character, even in his last moments,” Schmidt said. “He wanted to make sure he looked like the good guy. That’s ridiculous. We know how she died.”

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Citation Information

Article title
Gabby Petito's Death: What Was Brian Laundrie's Motive for Killing His Fiancée?
Website Name
A&E
Date Accessed
September 25, 2025
Publisher
A&E Television Networks
Last Updated
September 18, 2025
Original Published Date
August 06, 2025
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