CIA Turncoat Could Have Comprised US To Russia

The arrest last week of a former CIA officer suspected of spying for China exposed one of the most significant intelligence breaches in American history. Sources familiar with the matter tell NBC News, the damage is even worse than first reported.
According to multiple current and former government officials, a secret FBI–CIA task force investigating the case concluded that the Chinese government penetrated the CIA's method clandestine communication with its spies.