utah scene here rescuing 17-year-old why missing for three days, the chinese exchange student at trekked to this backcountry area, sleeping in this tent, running low on food. with him, several cell phones. that s a police say virtual captors manipulated and controlled the teen, likely from thousands of miles away. they call it cyber kidnapping. the cyber kidnappers convinced the kidnappers under duress to take photos of themselves to make it appear that they were being held captive, and send the photos to their parents. and china, their parents equally terrified, unable to reach their son, reportedly receiving threatening messages. they contacted a school in utah. there is a lot they secluded themselves and the woods aren t away from everybody in society is that they continue to explore as much money as possible. [speaking in a non-english language] reporter: in recent months, police across china warning chinese students in and out of china that the scammers often impersonate off