and his interactions with family in the days around the disappearance of gabby petito. brian and his parents visited the fort de soto campground the weekend of september 6th, according to tear attorney. who now says brian's sister cassie was also with them for a day. she spoke to abc news in an interview that aired september 17th. >> have you been able to talk to him? >> i wish i could talk to him. i cooperated every way that i can. >> reporter: cnn obtained record showing laundry's mother cancelled a camping reservation august 31st, the day before brian returned home without gabby, later that week, she made a new reservation for three people. this as new body cam footage is providing insight into the strained relationship between gabby petito and brian laundrie. officers in utah caught up with