People want the killer to face justice.
The only POI was BL. He now is dead.
One thing that can happen is the truth coming out.
Brian comes home. Flies back to Gabby. Returns with her van, but no Gabby.
What did Brian tell his parents?
Why didn’t they talk with the Petitos, to at least tell them where is Gabby?
No one responded to the Petitos and the Laundries went family camping!
Then Brian goes missing. Still no communication.
Gabby was STILL missing.
What happened to Gabby Petito?
What evidence does the FBI have?
How did Brian die?
Officially, who killed Gabby?
These are the questions the world is asking.
Well, GP's family stated they called the Laundries on Sept 10, not before. So the camping trip on the 6th is irrelevant to those calls.
JMO