Russia 'has spy in UK's intelligence, cyber and security agency GCHQ', says ex-KGB defector
![Russia 'has spy in UK's intelligence, cyber and security agency GCHQ', says ex-KGB defector Russia 'has spy in UK's intelligence, cyber and security agency GCHQ', says ex-KGB defector](https://substackcdn.com/image/fetch/w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcf0ec8e6-bd28-4530-b815-edeb51c22b7e_1200x675.jpeg)
Defector and former KGB major Boris Karpichkov claims to have new evidence that the maths genius was murdered to protect Russia's mole
A Russian spy who infiltrated Britain's top secret Government Communications Headquarters (GCHQ) base is passing secrets to Moscow, a former major in the KGB says.
Defector Boris Karpichkov claims to have new evidence back…
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