令计划
Two of Ling's brothers, Ling Zhengce and Ling Jihua, were placed under investigation in 2014. However Ling left for the United States after his brother's investigation had been initiated. "The New York Times" reported that Ling purchased a home from NBA player Beno Udrih in Loomis, California, and had resided there with his wife for a period of time and befriended their neighbors, but disappeared in October 2014. Ling's subsequent whereabouts were unknown. In August 2015 the Obama administration expressed concerns about undercover Chinese law enforcement operatives with the Chinese Ministry of Public Security in the United States who were searching for and repatriating Chinese fugitives under Operation Fox Hunt. According to the New York Times, "should he seek political asylum, he could become one of the most damaging defectors in the history of the People’s Republic."