Transcript for FBI joins investigation for missing blind American tourist in Peru

We turo search F that legally blind American tourist who vanished while travelinnperuthe FBI is assisting the cases earn new clues about the last place she wee janai Norman is here with the St good morning. Reporter: Good morning, her brother says shetedo see as much of the world ashe uln she vanished missinher flight home from Peru and' heard from sinclast wednday. This morning the FBI is joining the desperate search 35-year-old Carla valpeoz, a legallind womanho dedicated her life to traveling E world. She wanted txperience as much of the world possible before herorld goes dark. Orter: Her bro scribes his sister as an explorer. It's not unlikeer to embark on Ty herself. She's done it before all over rl she's a ry well versed travel author and activist last seen on December 1 when she was turned away from climb machu dance club hours bef she vanished. We were wonderire Carla was. We asked ception. Theyd she was gone. She was in the same room as Carla D whenhe woke uparla wasn't there. Reporter: Missed flight home. If she had access a E she woulinitely trite to contact somebody. Hat sn' make tt to reschedule a flight is Ely out O characr forher. Reporter: At this point Carla's fa traved to Peru to help search as family is desperate for answers. Cong up S is the

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