www.bbc.com A former CIA agent has been sentenced to 19 years in prison for conspiring to spy for China.
Jerry Chun Shing Lee, 55, left the CIA in 2007 and was recruited by Chinese agents in Hong Kong. Prosecutors say he was then paid to divulge information on US national defence.
China is then said to have dismantled a network of informants.
Lee is the third former CIA officer in less than a year to be sentenced for conspiring with China.
He pleaded guilty in May to conspiracy to deliver national defence information to aid a foreign government.
But prosecutors and defence lawyers disagreed over the extent of the crime, with Lee – a naturalised US citizen – seeking a lesser sentence of 10 years.
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Prosecutors said Chinese intelligence officers gave Lee hundreds of thousands of dollars and that he likely gave them all the information he had from his 13-year career in the CIA.
But his defence team argued that it was never proved that the money came from China or that he carried out plans to deliver government secrets.