Gabby Petito disappeared during a cross-country trip with her fiancé Brian Laundrie. She was reported missing by family after police say Laundrie returned home to North Port alone with her van. Scroll down for a timeline of what we know about the disappearance of and search for Gabby Petito:
Gabby Petito and Brian Laundrie leave Blue Point, New York for a cross-country road trip.JULY 2
Gabby posts photos on Instagram from Monument Rocks in Kansas.JULY 4
Gabby posts photos with an Instagram geotag in Colorado Springs.JULY 8
Gabby posts photos from Great Sand Dunes National Park and Preserve in Colorado.JULY 10
Gabby posts photos from Zion National Park in Utah.JULY 16
Gabby posts photos from Bryce Canyon National Park in Utah.JULY 21/22
Gabby posts photos from Mystic Hot Springs in Utah.JULY 26
Gabby posts photos from Canyonlands National Park.JULY 30
Gabby posts photos from Arches National Park in Moab, Utah.
Officers with the Moab Police Department respond to and investigate a reported argument involving the couple. Gabby and Brian tell police they were stressed and fighting.
No one is charged and police tell the couple to spend the night apart. Gabby stays with the van. Police help Laundrie get a hotel room.AUGUST 12
Gabby posts photos from Arches National Park in Moab, Utah.
Brian flies home to Florida from Salt Lake City to "obtain some items" and empty and close a storage unit to save money, his attorney says.AUGUST 17
Gabby and Brian post an 8-minute video documenting the beginning of their "van life journey" on their Nomadic Statik YouTube channel.AUGUST 19
Gabby's father, Joseph Petito, last speaks with his daughter in a FaceTime call. He helps her order a pizza in Salt Lake City and talks to her about the trip so far.
He later says he noticed no red flags during the conversation.AUGUST 21
Brian flies back to Salt Lake City to "rejoin Gabby," according to his attorney.AUGUST 23
Gabby's mother, Nichole Schmidt, last speaks with her daughter on the phone while Gabby was near Grand Teton National Park in Wyoming.AUGUST 25
Gabby's mother receives an "odd text" that leaves her worried something is wrong, according to a search warrant.
Gabby and Brian visit a restaurant in Wyoming. Staff members and other diners later recall an unspecified "incident" with the couple.AUGUST 27
Gabby's mother receives a final text from Gabby but does not confirm over the phone it was her.AUGUST 30
Brian Laundrie uses a Capitol One Bank debit card and personal ID number for two bank accounts to spend $1,000 in Wyoming and elsewhere, court documents show. He's later indicted for use of unauthorized access devices, leading to a federal arrest warrant.AUGUST 30 - SEPTEMBER 1
Brian returns to North Port in the white van, according to police.SEPTEMBER 1
Brian Laundrie buys a new cellphone and opens an account with AT&T, according to his family's attorney.SEPTEMBER 4
Brian Laundrie's mother checks into Fort De Soto Park campground, according to public records.SEPTEMBER 6
The Laundrie family camps from Sept. 6 through Sept. 7 at Fort De Soto Park and leave the park together, according to their family attorney.SEPTEMBER 7
Gabby's mom calls North Port police in hopes of filing a missing person report. Police tell her the report needs to be filed in Gabby's last known location.SEPTEMBER 10
Gabby's family reports her missing to police in Suffolk County, New York.
North Port police recover the white van at the Laundrie family home.
The Laundrie family refers investigators to their attorney.SEPTEMBER 11
The Laundrie family reports last seeing Brian leave his home wearing hiking gear.SEPTEMBER 13
Police and FBI process the van for evidence.
Police place an abandoned vehicle notice on Brian's Mustang outside Myakkahatchee Creek Environmental Park.
Brian's family attorney releases a statement saying the Laundries hope "the search for Miss Petito is successful" and that Brian's family would be "remaining in the background."
Gabby's family responds in a statement, asking Brian to cooperate and provide answers to "critical questions."SEPTEMBER 14
North Port police become the lead investigative agency on the missing person case and name Brian a person of interest.SEPTEMBER 15
Gabby's father pleads with the public, and with the Laundrie family to come forward with information that could bring his daughter home safe.
An attorney for Gabby's family reads a statement from her parents that accuses the Laundrie family of knowing something about Gabby's location.SEPTEMBER 16
The Laundrie family reports Brian Laundrie missing to police. North Port police officers spend more than two hours at the Laundrie family home at the family's request.SEPTEMBER 17
North Port police and FBI agents search the Carlton Reserve in Sarasota County for Brian Laundrie.SEPTEMBER 18
FBI officials announce a body found near Grand Teton National Park in Wyoming matches Gabby Petito's description. A full forensic identification is still pending.SEPTEMBER 19
Police and FBI tape off Brian Laundrie's family home to execute a search warrant related to the Gabby Petito investigation, according to FBI agents.SEPTEMBER 20
FBI agents confirm the body found in Wyoming is Gabby Petito and rule the manner of death a homicide, with the cause of death yet to be determined. Law enforcement agencies continue their search for person of interest Brian Laundrie at Carlton Reserve in Sarasota County.SEPTEMBER 21
FBI officials issue a federal arrest warrant for Brian Laundrie in connection with the Gabby Petito investigation, pursuant to a federal grand jury indictment.SEPTEMBER 23
The FBI obtains a phone purchased by Brian Laundrie shortly before his return to Florida without Gabby Petito, as well as surveillance video from the Laundrie family's camping trip to Fort De Soto campground.SEPTEMBER 29
Agents with the FBI visit the Laundrie family's North Port home, spend some time in the house and briefly check the family's camper in the driveway before leaving with a bag. The family's attorney says agents were collecting personal items to help in the search for Brian.SEPTEMBER 30
Brian Laundrie's dad Chris joins law enforcement at the Carlton Reserve to assist in the search for his son.OCTOBER 7
Gabby Petito's cause of death is ruled strangulation with the manner of death homicide, Teton County's coroner announces. He says it's believed she died three to four weeks before her body was found.OCTOBER 12
Partial human remains are found at the Carlton Reserve during the search for Brian Laundrie. The remains are found near some of his belongings as his parents join law enforcement to search.OCTOBER 20
The FBI positively identifies the remains found in the Carlton Reserve as those of Brian Laundrie.OCTOBER 21
Sources: WFLA reports