The mysterious disappearance of Gabby Petito took another bizarre turn last week when her boyfriend, Brian Laundrie, vanished after being named a person of interest in the case.

Police in Florida have been scrambling to locate Laundrie, who refused to speak to authorities, after his family revealed they hadn’t seen him for three days after he went on a hike on Sept. 14.  

Laundrie and Petito set off from Long Island for a cross-country road trip back in July in a converted Ford Transit van.

She was reported missing by her family on Sept. 11 — 10 days after Laundrie returned to Florida in their van without Petito. Her body was discovered in Wyoming on Sept. 19.

Here is a closer look at Laundrie’s timeline:

Laundrie documents the couple’s travels through Zion, Bryce Canyon and Canyonland national parks in Utah with a number of Instagram posts.

Police in Moab, Utah, respond to a 911 domestic call regarding the couple. Bodycam video shows Petito sobbing to an officer. Police report says Petito hit Laundrie, but no charges are filed.

Laundrie posts his final two photos on Instagram of himself in Moab and Arches National Park.

Laundrie and Petito check out of a hotel in Salt Lake City, Utah.

Laundrie returns home to North Port, Florida, with the van, which is registered in Petito’s name.

Petito’s family file a missing person’s report with Suffolk County, New York, authorities after not hearing from her since late August.

Laundrie issues a statement through a lawyer saying a search for Petito is underway in Wyoming. The statement says the Laundrie family is “remaining in the background” of the investigation.  

Petito’s family also issue a statement accusing Laundrie of refusing to tell them where he last saw his girlfriend.

The van is towed away from Laundrie’s home by police.

Police in North Port, Florida, say Laundrie is refusing to cooperate and name him as a person of interest in her disappearance.

North Port police say they know where Laundrie is but are frustrated he isn’t speaking to authorities.

Florida police reveal Laundrie’s parents say he has been missing since Tuesday, Sept. 14. Both Petito and Laundrie are now being sought by the FBI.

Police officers spend two and a half hours at Laundrie’s home having a “conversation” with his parents as dozens of protesters outside yell, “Bring him out!”

The search for Laundrie begins in the 24,000-acre Carlton Reserve in Sarasota, Florida. His family say that’s where he set off with a backpack on Sept. 14.

Authorities recover Petito’s apparent remains in Bridger-Teton National Park in Wyoming near where her van was spotted late last month.

Authorities announce they are calling off the search for Laundrie in Carlton Reserve.

FBI and police raid Laundrie’s parents’ home over an eight-hour period.

Police say the FBI is taking over the criminal investigation and the search will resume for Laundrie in Carlton Reserve.

Authorities warn the search is in an “unforgiving location” where crews are “wading through gator- and snake-infested swamps and flooded hiking” trails.

The FBI obtains an arrest warrant for Laundrie for unauthorized use of her debit card on Aug. 30 and Sept. 1 after Petito was last seen alive in Wyoming.

The FBI returns to Laundrie’s home to gather some of his personal items for DNA testing.

A reward for his capture rises to $30,000.