Gabby Petito

Police tape up the area where Brian Laundrie is believed to have begun a solo hike.

"This autopsy is crucial for making that type of a charge."

"Throttling generally means that it was done with human hands."

He accused the reality star of only getting involved the the case purely for attention.

"He almost prompted her to tell me that she was engaged."

His father is showing off Brian's favorite spots to agents trying to track him down.

The reality star didn't leave Florida despite reports he went back home after injuring his ankle during the search.

The observation comes hours after coroner revealed the cause of death was strangulation.

Watch the bizarre video.

The trip comes hours after the coroner revealed Gabby died from strangulation.

"Strangulation is not an accident."

Christopher refused to answer questions about his fugitive son.

The search for the fugitive is heating up down in Florida after an autopsy reveals Gabby Petito died from strangulation.

Their "words are garbage," Gabby Petito's mom responded.

The cause of death was strangulation.

Brian Laundrie remains missing and wanted.

"I get calls from unknown numbers and from blocked callers and my heart drops."

The site that used to be filled with flowers, stuffed animals, and posters is completely bare.

"I wouldn't be surprised if he's choked her before."

"I think he [called his parents and] started [explaining], 'Mom, she was screaming...'"

Dog The Bounty Hunter claims vacationers allegedly heard their argument.

The late 22-year-old vlogger's mom visit a memorial set up by strangers.

There were a dozen possible Brian sightings in the area last week.

"Dad is headed back to Colorado temporarily."

He said, 'If he's going to kill his girlfriend, who he loves - he's going to tell on mom and dad.'

Police said, 'We've said from the beginning there's a lot of oddness here, a lot of things just didn't make sense.'

The sign read, 'Remember Me? Gabby Petito. Roberta and Chris I once lived with you.'

Internet sleuths are having a field day with the latest theory.

The police say that any reports that Brian Laundrie is in the custody of anyone in Sarasota are untrue.

Dog's daughters are at war!

The banner says "End the Silence. Justice for Gabby" paid for by a group of people on TikTok.

"I have never seen the findings of an autopsy to take this long to announce."

Christopher will not be assisting in search efforts after one day.

Their road trip almost didn't happen.

The 23-year-old fugitive still managed to evade law enforcement.

Dog is unlicensed in Florida, making him a regular citizen.

Christopher Laundrie showed the investigators the spots his son frequented.

A maskless delivery driver was seen entering the family home.

Christopher refused to give updates on what - if anything - they found at the Carlton Reserve.

Christopher has joined authorities in the search for his son.

This comes hours after the police denied they asked for his assistance.

"Is it possible that Brian is living underground on their property!?!?"

Are police getting closer?

"I made the cross that everyone saw on the news."

The exes and their spouses revealed to Dr. Phil that they are living under the same roof.

Robert "Bob" Lowery, 46, died by suicide.

Are they zeroing in on Brian?

They accuse the fugitive of using their daughter's credit card days after she went missing.

"The cops came, and they showed us the picture, and I was like, 'That's him, dude.'"

The location of her death is key for prosecuting her killer.