Sir Richard Dearlove questions why China spy case really collapsed
The case against Christopher Cash, a former parliamentary researcher, and Christopher Berry - who have both consistently maintained their innocence - collapsed after the CPS said evidence could not be obtained from the government referring to China as a national security threat.
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Former MI6 head Richard Dearlove says it looks like "something was done behind the scenes" to get the case against two British men accused of spying for China dropped.