FBI: Remains found in Florida park ID’d as Brian Laundrie

This Aug. 12 file photo from video provided by the Moab, Utah, 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 in Utah. (The Moab Police Department via AP, File)

ST. PETERSBURG, Fla. — 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.