Latest: Gabby Petito Died of Strangulation by Human Force In a new interview coroner Brent Blue responded to new paperwork that was filed.

By Emily Rella Edited by Jessica Thomas

Opinions expressed by BIZ Experiences contributors are their own.

Octavio Jones | Getty Images

Teton County, Wyoming coroner Brent Blue offered more heartbreaking information on 22-year-old Gabby Petito's death, which was determined to be a homicide by strangulation on Tuesday.

In a new interview on Anderson Cooper 360, the coroner responded to new paperwork that was filed, which deemed that the cause of Petito's death was "manual strangulation/throttling."

"Throttling means that someone was strangled by human force; there was no mechanical force involved," Blue told Cooper. "People can be strangled by other means … but we believe this was strangling by a human being."

Related: Breaking: Gabby Petito Died of Strangulation

The verb throttle is defined as "to stop the breath of by compressing the throat; strangle."

Blue explained that "only humans have opposable thumbs" as far as determining that Petito's death was caused by another human being and pointed out that "there was no evidence that this was done by any kind of animal as far as cause of death."

Petito was reported missing on September 11 when she failed to return home or contact her family during a cross-country road trip with her fiancé, 23-year-old Brian Laundrie.

Petito's body was found on September 19 near Grand Teton National Park in Wyoming, six days after Laundrie was reportedly last seen.

Related: Users Notice Unusual Activity on Brian Laundrie's Spotify and Instagram

"The only thing that the coroner is responsible for releasing is the identification for the body and the manner and cause of death," Blue said regarding speculation that Petito's death was caused by domestic violence among other questions about the nature of her killing. "There are reasons why in our investigation we call this a homicide first and then the cause of death later, and that had a lot to do with certain circumstances and factors that we observed."

Laundrie, who is wanted on counts of debit card fraud and as a person of interest in Petito's death, is still missing.

Related: Brian Laundrie Still Missing as Gabby Petito's Death Pronounced a Homocide

Emily Rella

Senior News Writer

Emily Rella is a Senior News Writer at BIZ Experiences.com. Previously, she was an editor at Verizon Media. Her coverage spans features, business, lifestyle, tech, entertainment, and lifestyle. She is a 2015 graduate of Boston College and a Ridgefield, CT native. Find her on Twitter at @EmilyKRella.

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