Hunting down the Portland Spy Ring

Trevor Barnes details the 1960s operation to uncover the infamous Portland Spy Ring – one of the most dangerous KGB espionage networks ever to operate in the UK

Trevor Barnes details the 1960s operation to uncover the infamous Portland Spy Ring – one of the most dangerous KGB espionage networks ever to operate in the UK. (Image by Getty Images)

Writer and espionage historian Trevor Barnes discusses his book Dead Doubles, which details the thrilling 1960s MI5 investigation into the infamous Portland Spy Ring, one of the most dangerous KGB espionage networks ever to operate in the UK.

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