across the mountain west. that is a mystery this whole time. and even when we learned that brian had bought that new phone on september 4th and left it behind when he departed his home, a little over a week later, we didn't have it clear for sure from the authorities whether they knew what was going on with either of those other phones. but now we now that neither brian laundrie nor gabby petito's phone is in the hands of authorities. so yet another mystery here. >> coming up next, a mysterious collision, what if a u.s. s submarine hit in the middle of the south china sea. stay with us. i can make a rustic cabin feel modern. i am a guidebook for guests. i can make an indoorsy person, outdoorsy. i give families a home, not just a place to stay. i am a vrbo host. ♪ ♪