THE sister of Gabby Petito's fiance Brian Laundrie has insisted that her family wants her to be found safe - as she broke her silence on the Long Island native's disappearance.
's sister, Cassie Laundrie, opened up about missing after her brother hired an attorney and refused to work with the police.
As Petito's family is seeking the public's help in locating their 22-year-old daughter, Cassie was interviewed for on Thursday.
In a brief clip ahead of the Friday show, Cassie said: "Obviously me and my family want Gabby to be found safe.
"She's like a sister and my children love her.
"And all I want is for her to come home safe and found and this to be just a big misunderstanding."
Her full interview will be aired on GMA Friday morning.
Cassie's remarks come as her brother's lawyer refused to deny there's a possible link between and a double murder involving Kylen Schulte and her wife Crystal Turner.
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Laundrie's attorney Steven Bertolino released a Thursday night statement after Utah investigators revealed they are "not ruling anything out" in their investigation of the two cases.
Bertolino said: "Law enforcement has to follow protocol and all leads that they get."
"Whether or not these two cases deserve to be linked will be determined at some point in the future," the lawyer added.
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That same day, Petito's family issued a statement to Laundrie's parents, Christopher and Roberta Laundrie, urging for help.
Petito's mother Nichole Schmidt and her stepdad Jim Schmidt signed a along with her dad Joe Petito and stepmom Tara Petito, WABC reports.
It read: "We believe you know the location where Brian left Gabby. We beg you to tell us. As a parent how could you let us go through this pain and not help us. As a parent how could you let us go through this pain and not help us.
"Gabby lived with you for over a year. She was going to be your daughter in law. How can you keep her location hidden?
"You were both so happy that Brian and Gabby got engaged and were planning to spend their lives together.
"Please, if you or your family have any decency left, please tell us where Gabby is located. Tell us if we are even looking in the right place."
Petito was reported missing on September 11, and . Laundrie has since been as he continues to avoid FBI interviews.
Petito, who told her family she was visiting a national work on August 25, then went missing.
She was last seen on August 24 after leaving a Salt Lake City, hotel.
Laundrie has since returned home safely and has hired an attorney and is not cooperating with police.
The details of when he returned are unknown.
North Port Police Chief Todd Garrison spoke out about the case on "Good Morning America" Thursday morning.
He said there are no plans to obtain a search warrant for Laundrie's parents' home, where the two lived.
"We don't have a crime in this. We are investigating a missing person."
"Two people went on a trip and one person returned. And that person is not talking to us," Garrison said.
He added Laundrie, "has the pieces to the puzzle that we need to be able to find Gabby."
"As a father, I can imagine the pain and suffering Gabby's family is going through," Garrison said. "We are pleading with anyone, including Brian, to share information with us on her whereabouts in the past few weeks.
"The lack of information from Brian is hindering the investigation.
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"The answers will eventually come out."
Meanwhile, Harrowing police bodycam as she is asked why she slapped Laundrie in an argument 13 days before she vanished.
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