it rained all afternoon yesterday. >> reporter: they documented their journey on social media including youtube. >> it's a river of chocolate. >> you can't keep chocolate in utah. not in july. >> reporter: petito's family last heard from her in late august. they believe she was last in the grand teton area. she spoke with her mother august 24th saying she was leaving utah and heading to the tetons. she was last seen checking out of a hotel in salt lake city, utah, august 24th. she and her mom exchanged multiple texts on august 25th and 27th. the last text from gabby was august 30th, but her family doubts she wrote it. it read, no service in yosemite. the family hasn't said who they