A coroner has ruled Gabby Petito died by strangulation. But these questions are left unanswered

By Madeline Holcombe, CNN

There is now a clearer picture of what happened to Gabby Petito after a coroner said Tuesday that she died by strangulation. But many questions remain unanswered.

Teton County Coroner Dr. Brent Blue had previously ruled Petito’s death a homicide, and though the cause was revealed, he declined to provide details about Petito’s autopsy or a potential suspect, saying he was limited in what information he could legally release.

Who killed Petito, when she was killed and what happened leading up to her death remain a mystery.

Even though there are more than 90,000 active missing person cases in the US, few have met with as much urgency and national attention as that of Petito, who was reported missing in September 11 and whose remains were found more than a week later in Wyoming’s Bridger-Teton National Forest.

Authorities are still searching for her fiancé, Brian Laundrie, who returned to Florida without her after their trip across the Western US.

The autopsy of Petito’s remains included a whole-body CT scan, an examination by a forensic pathologist and by a forensic anthropologist, and a toxicology analysis, Blue said at a news conference Tuesday.

A legal document Blue filed on October 5 with the Teton County Clerk of District Court specified that the cause of death was “manual strangulation/throttling.”

“We believe this was strangling by a human being,” he told CNN’s Anderson Cooper.

Blue said Petito’s body was left in the wilderness for three to four weeks before being found, but uncertainty remains about the exact date of her death. Death certificates in the state of Wyoming allow for approximate dates and variability of those dates, Blue said.

“There will not be an exact date of death on the death certificate,” the coroner added.

The time since her death and the weather conditions she was subjected to make it harder to pinpoint an exact date, Blue said.

The autopsy has revealed more information than was released but will be held back due to the ongoing investigation, Blue said.

Blue said working on the case was “quite the media circus and continues to be.” In addition to disappearance and death, the case has sparked conversations around domestic violence due to the release of body camera footage of an interaction between Petito, Laundrie and the police over one of the couple’s fights.

“Unfortunately, this is only one of many deaths around the country, of people who are involved in domestic violence,” Blue said. “And it’s unfortunate that these other deaths did not get as much coverage as this one.”

Blue told CNN the domestic violence comment was “strictly an assumption.”

Mysterious text messages and a police call

The couple had spent the summer traveling in a white van and documenting their adventures on social media. But Laundrie returned to the Florida home they shared with his parents on September 1 without Petito, and her family was unable to get in touch with her.

She was first reported missing by her parents on September 11, and after an extensive search, her remains were found September 19 near where their van was last seen three weeks earlier. The national focus on her whereabouts revealed they were involved in a domestic dispute in Utah in August.

From the posts on social media, Petito’s final days looked idyllic. But after she was reported missing, accounts surfaced of rising conflict between the couple.

On August 27, a witness observed a “commotion” as Petito and Laundrie were leaving the Merry Piglets Tex-Mex restaurant in Jackson, Wyoming — one of the last reported sightings of Petito before her death.

Petito was in tears and Laundrie was visibly angry, going into and out of the restaurant several times, showing anger toward the staff around the hostess stand, the witness Nina Angelo said.

Angelo told CNN she did not see any violence or physical altercation between Petito and Laundrie.

Also on August 27, an “odd text” from Petito worried her mother that something was wrong, according to a police affidavit for a search warrant for an external hard drive found in the couple’s van.

“Can you help Stan, I just keep getting his voicemails and missed calls,” the message read, according to the affidavit. Stan was a reference to Petito’s grandfather, who her mother said Petito never referred to that way, according to a police affidavit.

Petito called her mom regularly, and those conversations appeared to reveal “more and more tension” in Petito’s relationship, according to the affidavit.

More than two weeks earlier, the couple was stopped by police after a 911 caller told dispatchers August 12 he saw a man hitting a woman, according to audio provided by the Grand County Sheriff’s Office in Moab, Utah.

“We drove by and the gentleman was slapping the girl,” the caller said. “Then we stopped. They ran up and down the sidewalk. He proceeded to hit her, hopped in the car and they drove off.”

CNN obtained dispatch audio recordings from the Grand County Sheriff’s office last month that shed more light on what Moab police were told about “some sort of altercation.”

The search for Laundrie

Before he disappeared, police in North Port were surveilling Laundrie as best they legally could, a police spokesperson told CNN’s Randi Kaye.

Investigators said Laundrie’s parents told them on September 17 he had left home days earlier and was headed to the nearby Carlton Reserve — sparking a search of the nature reserve’s 25,000 acres. Initially, his parents said he left on September 14, but last week, Laundrie family attorney Steven Bertolino said, “We now believe the day Brian left to hike in the preserve was Monday, September 13.”

When he left, he didn’t take his cell phone and wallet with him, and his parents were concerned he might hurt himself, a source close to Laundrie’s family told CNN’s Chris Cuomo.

Laundrie has not been charged in Petito’s death. He was indicted on charges of allegedly using two financial accounts that did not belong to him in the days following her death.

In a statement Tuesday, Laundrie’s family attorney Steve Bertolino said Laundrie had used a debit card that belonged to Petito but noted he was not a suspect in her death.

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CNN’s Rebekah Riess, Rob Frehse, Jennifer Henderson, Christina Maxouris, Kari Pricher, Leyla Santiago, Jenn Selva, Amir Vera and Steve Almasy contributed to this report.