In one case, a young man paid more than $400,000 to scammers after he was told he would be arrested. He was also told he was under surveillance and was instructed to have his Facetime open 24 hours a day. Vicki Thomson, chief executive of the Group of Eight, which represents the universities that enrol three-quarters of all Chinese students studying in Australia, wrote to the Chinese Embassy on Friday to request a meeting to discuss the situation as reports become more frequent and increasingly alarming. Telephone spoofing technology “The targeted nature of this scam is particularly worrying, with the…