Just when you thought Brain Laundrie’s legacy couldn’t get any darker or more sinister, it does.

Brian’s parents, Chris and Roberta Laundrie, are now working to dismiss a lawsuit filed by Gabby Petito’s parents.

Joseph Petito and Nichole Schmidt sued the Laundrie’s earlier this year.

On March 11, the lawsuit was a Florida court suing Chris and Roberta for knowing more about their daughter’s death than they let on.

Chris and Roberta’s lawyer, Steven Bertolino, made a statement to CBS News on March 30.

“A motion to dismiss the baseless and frivolous lawsuit commenced by Gabby Petito's parents was filed in court,” Bertolino said.

It continued, “The Laundries have exercised their constitutional right to refrain from speaking and have relied on counsel to speak for them.”

Brian Laundrie admitted to killing his fiancée in a notebook entry before he took his own life.

Her official cause of death was “blunt force injuries to the head and neck, with manual strangulation.”