Jackson, Wyoming (CNN)A couple from Louisiana who were vacationing in Jackson, Wyoming, last month said Wednesday they saw an incident involving Gabby Petito and Brian Laundrie in a restaurant in one of the last sightings of Petito before her death.
Nina Angelo told CNN on Wednesday that she and her boyfriend, Matt England, saw a "commotion" as Petito and Laundrie were leaving The Merry Piglets Tex-Mex restaurant on August 27.
Angelo said Petito was in tears and Laundrie was visibly angry, going into and out of the restaurant several times, continuing to show anger toward the staff around the hostess stand.
The couples' waitress was also visibly shaken by the incident, according to Angelo, who told CNN she did not see any violence or physical altercation between Petito and Laundrie.
A manager at The Merry Piglets told CNN that she did see "an incident" at the restaurant and called the FBI on Wednesday. The manager declined to give CNN her name or describe what happened and said the restaurant did not have surveillance video of the incident.
When asked by CNN whether they had received a tip about Petito and Laundrie's presence at The Merry Piglets, an FBI spokesperson responded, "To protect privacy, we do not comment on contacts that FBI has or has not had with any individuals."
Police in Florida said in a recent search warrant affidavit that Petito's mother received an odd text on August 27 and that it was the last communication from her. Petito, who was chronicling the couple's trip through national parks, also stopped posting to social media at that time.
Petito was first reported missing by her family on September 11 and her remains were found Sunday in Grand Teton National Park. The Teton County coroner in a preliminary autopsy determined the manner of death was homicide but has not disclosed the manner in which she died.
Laundrie, who arrived at his parents' home in North Port, Florida, three weeks ago, has not spoken to police about the case. His parents have told authorities they haven't seen him since last Tuesday.
The FBI has asked for the public's help in locating Laundrie as a task force in Florida has searched a large nature preserve in Venice.
Dive team brought in
A law enforcement underwater dive team joined the effort at the Carlton Reserve in Florida on Wednesday.
A large van and boat from the Sarasota County Sheriff's Office arrived midday Wednesday at the reserve, a swampy 25,000-acre reserve in Venice, Florida, where Laundrie told his parents he was headed last week.
The dive team, called the Sheriff's Underwater Recovery Force (SURF), is made up of "highly trained underwater specialists" who are "called upon to search for evidence of crimes and victims of drowning, water accidents and foul play," the
sheriff's department website says.
North Port Police said the arrival of the dive team "does not mean anything has been found. It's a part of the overall search process."
The team, made up of about 10 divers, was requested by North Port Police on Wednesday morning, said Sarasota County Sheriff's office spokesperson Kaitlyn Perez.
"These divers are specifically trained and very talented in low visibility bodies of water," Perez said. "They dive down where you and I can't see anything at all. They utilize technology and other special equipment to help them get down deep into really deep bodies of water, so they're out there right now to recover whatever it is that they might find."
The fourth day of searching the reserve ended Wednesday evening, according to officials.
"Nothing found. We will be back out Thursday, similar operation," North Port Police tweeted.
Search teams fan out at Carlton Reserve park near North Port, Florida, on September 22.
The ongoing search comes as investigators try to piece together what happened to Petito, 22, and Laundrie, 23, on their road trip in a white Ford Transit van
through the American West this summer.
Petito's remains were recovered in Wyoming's Bridger-Teton National Forest.
Throughout the trip, the couple had posted online regularly about their travels with the hashtag #VanLife, but those posts abruptly stopped in late August. Laundrie and the van -- but not Petito -- went to his parents' home in North Port, Florida, on September 1. Her family, unable to get in touch with her,
reported her missing 10 days later.
A timeline of 22-year-old Gabby Petito's case
Laundrie's parents then reported him missing on September 17, saying he had left home three days earlier to go to the reserve and hadn't returned.
The FBI said the bureau would like information from anyone who may have had contact with Petito or Laundrie, anyone who visited the Spread Creek Dispersed Camping Area in the Bridger-Teton National Forest between August 27-30 or anyone who may have seen their vehicle.
In the days since she was reported missing, Petito's story has become a national obsession for many,
spurring digital detectives to comb through the couple's online trail to try to solve the case. The story has also further highlighted the tens of thousands of missing persons stories that
do not garner such intense interest among the public.
Given the national attention on the case, several people have come forward to say they interacted with the couple in late August. And evidence from a 911 call about a "domestic dispute" involving Petito and Laundrie shows the couple's volatile relationship was not as aspirational as their sun-drenched lives on Instagram and YouTube suggested.
and she just ran off in a BPD tard rage and accidentally fell off a cliff or whatever.
