Gabby Petito, the young woman who vanished on a road trip with her boyfriend and was later found dead in Wyoming, was killed by strangulation, a local coroner said on Tuesday.
Teton County Coroner Dr Brent Blue, whose office had already ruled Petito's death a homicide, said she was killed about three to four weeks before her body was found on September 19.
Her boyfriend, Brian Laundrie, 23, has been missing for nearly a month.
The autopsy took more than three weeks to complete and included outside specialists and an analysis of toxicology test results, Dr Blue said.
“It was just a matter of making sure we had everything right,” he said in an online news conference.
“It was quite the media circus and continues to be,” he added.
“Unfortunately, this is only one of many deaths around the country of people who are involved in domestic violence.”
Petito, 22, was last seen alive on August 26. Her body was discovered near the remote Spread Creek Dispersed Campground in Bridger-Teton National Forest in western Wyoming.
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Brian Laundrie speaking to officers responding to an altercation between himself and his girlfriend Gabrielle 'Gabby' Petito. AFP -
Gabby Petito speaking on the same day. She was reported missing soon after. AFP -
FBI agents take items from the family home of Brian Laundrie in North Port, Florida. AFP -
Human remains were discovered in a remote area of Bridger-Teton National Forest, Wyoming. AFP -
Doreen Folk, of New York, lays a teddy bear and flowers at a makeshift memorial dedicated to Gabby Petito. AFP -
The couple had left her home state of New York last summer, but Mr Laundrie returned alone in the van on September 1. AFP -
A Teton County coroner's vehicle transports a body believed to be Gabby Petito from the Spread Creek camping area, Wyoming. AP -
The 22 year old was last seen alive on August 24, 2021, leaving a hotel in Salt Lake City, Utah. She posted her last photo of the trip on social media the next day. AP -
Her parents Tara and Joe Petito listen as police chief Todd Garrison leads a press conference. AFP
The disappearance last month of the young woman during a cross-country road trip with her boyfriend captivated the country, first as an internet sensation and then as a tabloid mystery that grew more enigmatic by the day.
Petito, who lived with Mr Laundrie and his parents in North Port on Florida's west coast, embarked on their trip in early July from New York's Long Island, where her parents live.
As they travelled through Kansas, Colorado, Utah and points west, Petito documented their “van life” on social media with videos and pictures that depicted a loving couple having an American adventure. She posted her final photo to Instagram on August 25, the same day she last spoke to her mother by phone.
Teton County coroner
Mr Laundrie returned without her on September 1 to his family's North Port home driving Petito's white van. Ten days later, Petito's mother, Nicole Schmidt, reported her missing to police in New York.
With the search becoming more public after Florida police named Mr Laundrie a person of interest in the case, police in Moab, Utah, released bodycam footage on September 15 that suggested a darker side to the couple's sunny social media veneer.
After a caller reported seeing Mr Laundrie striking Petito, Moab police pulled over their van on August 12 and questioned them for more than an hour. Both acknowledged having argued, and Petito tearfully said she had struck Mr Laundrie on the arm.
No charges were filed, but police ordered the two to stay in separate lodgings for the night.
Mr Laundrie, who had refused to talk to North Port police on the advice of his lawyer, has not been seen since September 14, when his parents later said he told them he was going for a hike in the nearby Carlton Reserve wilderness area.
Police and US Federal Bureau of Investigation agents, using divers, tracking dogs and helicopters, have turned up no sign of him in the swampy, alligator-infested wilderness area.
On September 23, a federal grand jury in Wyoming indicted Mr Laundrie on a charge of fraudulently using Petito's bank debit card between August 30 and September 1 to spend $1,000 or more.
He has not been charged in her death.
