Gabby Petito case: Brian Laundrie's mom drives to deposition in killer son's Mustang

Brian Laundrie’s parents slipped out of their North Port, Florida, home around 8 a.m. Wednesday, taking their silver Ford Mustang convertible on their way to be grilled by an attorney for their son’s former fiancée.

It is the same vehicle Laundrie left parked at the Myakkahatchee Creek Environmental Park the night he snuck out with a waterproof bag and one of his father’s pistols.

Laundrie confessed in a suicide note to killing Gabby Petito in Wyoming. Before he shot himself in the head in a Florida swamp, he drove across the country to his parents’ house in her van, where his family went camping for Labor Day and refused to cooperate with investigators trying to find Petito, who was at the time considered missing.

Wednesday marks a second face-to-face sit-down as Petito-Schmidt family lawyer Patrick Reilly is expected to grill Roberta Laundrie, the killer’s mother. He deposed her husband, Christopher Laundrie, on Tuesday.

Pictured: Gabby Petito

Pictured: Gabby Petito

Joseph Petito, Gabby’s father, sat in on the first interview and said afterward "it was a lot to handle emotionally." 

Wednesday morning, as the Laundries were leaving their North Port home, he posted a picture to X, formerly known as Twitter, of a rainbow over a Florida road.

PREVIOUS: Brian Laundrie’s parents will face jury for allegedly knowing about Gabby Petito's death during search

"Headed to another deposition dreading the emotional torment that is about to occur, and I see this," he wrote. "Thank you Gabs for showing me it will be OK."

He and Gabby’s mother, Nichole Schmidt, are suing the Laundries and their attorney Steve Bertolino for allegedly causing them emotional distress and conspiring to help their son evade justice.

RELATED: Surveillance video shows last time Gabby Petito seen alive, with Brian Laundrie in Wyoming Whole Foods

The Petito and Schmidt families – and millions of Americans who followed the case – want answers about what the Laundries knew and when they knew it.

Their son showed up in Petito’s van on his parents’ doorstep on Sept. 1, 2021, days after strangling and bludgeoning her to death in the Grand Teton National Forest. The family went camping near St. Petersburg and offered nothing publicly about Petito’s whereabouts.

When Schmidt filed a missing person report on Sept. 11, the Laundries declined to cooperate with police. By Sept. 13, he had sneaked out under the noses of North Port police to the Myakkahatchee park, where his remains would not be found for more than a month.

Roberta is expected to be grilled on not only the suspicious circumstances of her son’s September return, but also an undated letter she sent him labeled "burn after reading."

"If you're in jail I will bake a cake and put a file in it," she wrote. "If you need to dispose of a body. I will show up with a shovel and garbage bags."

The Laundries have maintained the letter was written and sent before the couple left on their cross-country van life trip in 2021. However, Petito’s parents believe it was written after her death and that it is evidence that the Laundries knew about the crime before her body was discovered on Sept. 19.

Reilly, the Petito family attorney conducting the interviews, declined to comment on the deposition process Wednesday morning.

READ: Brian Laundrie protests inspire Florida bill that would make demonstrations outside homes illegal

Bertolino, who himself is set to be deposed next week, said the testimony would contain "no surprises."

"The letter is nothing, smoke but no fire," he told Fox News Digital. "It never was anything but an ugly coincidence."

RELATED: New Gabby Petito lawsuit filing reveals Brian Laundrie’s ‘mental and emotional threat’ weeks before murder

Two weeks prior to the slaying, a bystander in Moab, Utah, called police to report seeing Laundrie hitting Petito in public. The domestic violence call resulted in no arrests, but police there split the couple up for the night.

Petito's parents have since launched the Gabby Petito Foundation to advocate for domestic violence awareness and missing persons cases. October is National Domestic Violence Awareness Month.

If you or someone you know is suffering from domestic violence, please contact the National Domestic Violence Hotline at 1−800−799−7233 (SAFE).

Michael Ruiz is a reporter for Fox News Digital. Story tips can be sent to michael.ru

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