Brian Laundrie's Sister Speaks Amid Gaby Petito Search

Days after Gabby Petito is reported missing by her parents, the sister of fiance Brian Laundrie and "person of interest" talks to "Good Morning America."

Brian Laundrie's Sister Speaks Amid Gaby Petito Search
Days after Gabby Petito is reported missing by her parents, the sister of fiance Brian Laundrie and "person of interest" talks to "Good Morning America."