North Port, Fla., police officer block the entrance to the Myakkahatchee Creek Environmental Park Wednesday, Oct. 20, 2021, in North Port, Fla. Items believed to belong to Brian Laundrie and potential human remains were found in a Florida wilderness park during a search for clues in the slaying of Gabby Petito . (AP Photo/Chris O'Meara)
ST. PETERSBURG, Fla. (AP) — The FBI on Thursday identified human remains found in a Florida nature preserve as those of Brian Laundrie, a person of interest in the death of girlfriend Gabby Petito while the couple was on a cross-country road trip.
The remains, a backpack and notebook believed to belong to Laundrie were discovered Wednesday in a Florida wilderness park, according to the FBI. The area where they were found had been under water during earlier searches.
The FBI's Denver office said in a news release that a comparison of dental records confirmed that the remains were Laundrie.
The discovery of the remains concluded a massive search involving federal, state and local law enforcement that began shortly after Laundrie disappeared Sept. 14, two weeks after the 23-year-old returned alone to his parents' home in North Port, Florida.
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Petito's family reported her missing Sept. 11, launching a search that garnered worldwide media attention and focused largely on the Carlton Reserve wilderness park near the Laundrie home. It is a densely wooded, swampy area that's home to alligators, coyotes, bobcats, snakes and numerous other creatures.
The intense focus on Petito's case has led to renewed calls for people to pay greater attention to cases involving missing Indigenous women and other people of color.
The body of Petitio, 22, was found Sept. 19 on the edge of Wyoming's Grand Teton National Park, which the couple had visited. The coroner there concluded she died of strangulation and her body had been where it was found for three or four weeks.
The couple was stopped Aug. 12 by police in Moab, Utah, after they had a physical altercation, but no charges were filed.
Laundrie returned home alone Sept. 1 in the Ford van the couple took on their trip. He was reported missing after telling his parents that he was going for a hike in the Carlton Reserve, a nature preserve that was a key area in the search.
The activity Wednesday focused on the nearby Myakkahatchee Creek Environmental Park, where a Ford Mustang that Laundrie drove to the wilderness was found.
Laundrie was charged in a federal Wyoming indictment with unauthorized use of a debit card, which alleged Laundrie used a Capital One Bank card and someone's personal identification number to make unauthorized withdrawals or charges worth more than $1,000. It does not say to whom the card belonged or what type of charges were made.
Photos: Body found in Wyoming believed to be Gabby Petito
This police camera video provided by The Moab Police Department shows Gabrielle “Gabby” Petito talking to a police officer after police pulled over the van she was traveling in with her boyfriend, Brian Laundrie, near the entrance to Arches National Park on Aug. 12, 2021.
This police camera video provided by The Moab Police Department shows Brian Laundrie talking to a police officer after police pulled over the van he was traveling in with his girlfriend, Gabrielle “Gabby” Petito, near the entrance to Arches National Park on Aug. 12, 2021.
This police camera video provided by The Moab Police Department shows Gabrielle “Gabby” Petito talking to a police officer after police pulled over the van she was traveling in with her boyfriend, Brian Laundrie, near the entrance to Arches National Park on Aug. 12, 2021.
This police camera video provided by The Moab Police Department shows Gabrielle “Gabby” Petito talking to a police officer after police pulled over the van she was traveling in with her boyfriend, Brian Laundrie, near the entrance to Arches National Park on Aug. 12, 2021.
In this photo provided by North Port Police Department, law enforcement officials conduct a search of the vast Carlton Reserve in the Sarasota, Fla., area for Brian Laundrie on Saturday.
In this photo provided by North Port Police Department, law enforcement officials conduct a search of the vast Carlton Reserve in the Sarasota, Fla., area for Brian Laundrie on Saturday.
This photo provided by North Port Police Department, law enforcement officials conduct a search of the vast Carlton Reserve in the Sarasota, Fla., area for Brian Laundrie on Saturday.
In this photo provided by North Port Police Department, law enforcement officials conduct a search of the vast Carlton Reserve in the Sarasota, Fla., area for Brian Laundrie on Saturday.
This Thursday, Sept. 16, 2021, photo, shows a Suffolk County Police Department missing person poster for Gabby Petito posted in Jakson, Wyo. Petito, 22, vanished while on a cross-country trip in a converted camper van with her boyfriend. Authorities say a body discovered Sunday, Sept. 19 in Wyoming, is believed to be Petito. (AP Photo/Amber Baesler)
A Teton County coroner's vehicle, front, transports a body believed to be Gabrielle "Gabby" Petito from the Spread Creek camping area Sunday, Sept. 19, 2021, after a two-day search of the Grand Teton National Park in Wyoming. An FBI agent said the cause of death has not yet been determined. (Meg Potter/Jackson Hole News & Guide via AP)
Dozens of pieces of golden heart-shaped glitter lie scattered in and around sagebrush at the barricade where media waited for news on the search for Gabrielle "Gabby" Petito, the 22-year-old who disappeared while on a cross-country trek with her boyfriend, in Grand Teton National Park in Wyoming Sunday, Sept. 19, 2021. Authorities say a body discovered Sunday in Wyoming is believed to be Petito. An FBI agent said the cause of death has not yet been determined. (Meg Potter/Jackson Hole News & Guide via AP)

