Sunnie Nguyen, 17, had dinner with her host family at their South Plympton home, in Adelaide s inner-south, on the evening of January 8 before she was later discovered missing from her room.
Four Vietnamese international students have gone missing from Adelaide over the past two months. Now, police have revealed a new theory about the case.
Sunnie Nguyen, a shy 17-year-old who struggles with speaking English, is one of four Vietnamese exchange students who have mysteriously vanished from South Australia in recent weeks.