Highly unlikely. At best they know what their son told them and it's doubtful he told them that he buried her in the desert somewhere. If the son had any decency at all he would leave the house and move somewhere else to spare his parents the harassment but it looks like he is treating his own family just as badly as the Petitos.
Why don’t you ask the Laundrie family that question… THEY KNOW!
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Highly unlikely.
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Let’s see. Their son returns home over a month early driving Gabby’s van but without his fiancé Gabby (a girl that had been living in their house for over a year). Those “Parents of the Year” don’t tell Gabby’s parents that Gabby hasn’t been brought home with their son but they instead engage an attorney to speak for them and their pride-and-joy son.
Right.. highly unlikely. /sarc
Sorta like Josh Powell did when Susan disappeared?