The lawyer for Gabby Petito's family says Roberta Laundrie offered to help her son,Brian, bury a body. According to a lawsuit, Laundrie wrote to her son, making the offer with a note. Written on the outside envelope was the words, BURN AFTER READING. 

As the lawsuit head for court, lets listen to the words that Brian Laundrie wrote in the notebook, that was found at his campsite.