What is Cyber Kidnapping? In a dramatic turn of events, Kai Zhuang, the 17-year-old Chinese exchange student who disappeared from his host family's home in Riverdale, Utah, has been found alive after being a victim of an international "cyber kidnapping." Zhuang was located on Sunday, December 31, 2023, in the mountains near Brigham City, where he had been self-isolating in a canyon.