flew home the 17th, and returned to utah on august 23rd to rejoin gabby. and that, quote, brian flew home to obtain some items and empty and close the storage unit to save money as they contemplated extending the road trip. the couple was last seen together a few days later, august 27th, when they left a wyoming restaurant together. by september 1st, laundrie was back in florida without gabby petito. cassie says she saw brian during that august-17th trip but she says the last time she saw her brother was when he went camping with his parents at ft. de soto park on september 6th and there was no discussion about gabby. we just went for a couple of hours, and we ate dinner and had s mores around the campfire, and left. and there was nothing peculiar about it. there was no feeling of grand good-bye. there was no nothing. reporter: today, gabby s parents and step parents speaking out on dr. phil s show saying they believe brian is definitely alive and in hiding. do you believe he s h