October 12: Gabby's autopsy results were made public.
October 7: Laundrie's father, Chris Laundrie, assisted law enforcement in the search to find his son.
October 5: Laundrie's sister, Cassie, appeared on Good Morning America and urged her brother to come forward.
September 28: Gabby's family held an emotional press conference as the search for Laundrie continued.
September 27: Dog the Bounty Hunter announces he will lend a hand and help search for Laundrie.
September 26: A funeral is held for Gabby in New York.
September 23: The FBI issued a warrant for Laundrie's arrest claiming he "used unauthorized debit cards after Gabby Petito's death.".
September 19: The FBI announces a body found at a Wyoming national park is believed to be that of Gabby's.
September 16: Bodycam footage is released regarding the incident between Gabby and Laundrie.
September 15: Laundrie is named a person of interest in the case of Gabby.
His family had initially said he departed on September 14, but revised their timeline weeks later.
September 13: Laundrie leaves home to go hiking in Carlton Reserve, Florida.
September 11: Gabby's family reports her missing.
September 6: Laundrie joins his family on a camping trip about 75 miles from their home in North Port.
September 1: Laundrie returns to his home in North Port, Florida without Gabby.
August 24: Gabby is seen leaving a hotel in Salt Lake City, Utah, with Laundrie.
The bodycam footage is not released for another month but it shows a visibly upset Gabby talking to police after reports of a domestic violence incident outside a grocery store.
August 12: Police in Utah respond to an incident involving the couple.
The couple visit numerous national parks across the way.
July 2021: Brian Laundrie and his fiancé Gabby Petito leave for a grip across the country.