Easy.
Parents flew out and killed Gabby in Wyoming after hearing about the fight when Brian came back to "empty out the locker". Told him he needed to drive the van back and they'd take it from there. Then the parents killed Brian.
Turns out. His parents aren't really his parents. They're leaders of a complex crime ring. And Gabby and Brian were employees who were arguing about whistleblowing the whole operation. Even worse, their fake romance had turned real. And the Dirty Laundries couldn't risk being exposed.
Parents flew out and killed Gabby in Wyoming after hearing about the fight when Brian came back to "empty out the locker". Told him he needed to drive the van back and they'd take it from there. Then the parents killed Brian.
Turns out. His parents aren't really his parents. They're leaders of a complex crime ring. And Gabby and Brian were employees who were arguing about whistleblowing the whole operation. Even worse, their fake romance had turned real. And the Dirty Laundries couldn't risk being exposed.