New Delhi, Feb. 27 -- A former Chinese official, who now resides in the United States, has come forward as a whistleblower on the Chinese system, exposing how China spies on its citizens at home and overseas, including the US.

According to a CNN report, Ma Ruilin, who runs a Chinese restaurant in New York, claims that the former cadres in China's ruling Communist Party would not understand the reason behind his leaving his comfortable life as a government official.

Ma's choice to publicly criticise the system he fled offers rare insider testimony at a time when US authorities are intensifying efforts to counter what they describe as Beijing's "transnational repression", alleged tactics used to intimidate and silence members of the Chine...