Mainland Chinese student Zhang Li* was devastated after losing 200,000 yuan (US$25,734) in a phone scam in Hong Kong. The 24-year-old said she received a call last September, shortly after arriving in the city to pursue a master’s degree at the Chinese University of Hong Kong. The caller initially claimed to be from the Immigration Department. Her call was then transferred to another person posing as a mainland law enforcement officer after she explained that she did not speak Cantonese. She was...