Invisible ink, buried cash and bag swaps – Montreal Gazette

Telegraph.co.ukInvisible ink, buried cash and bag swapsMontreal GazetteTransmissions via short wave radio completed the cloak-and-dagger communications networks. One FBI raid found a spiral notebook filled with random columns …Russian spy ring guide: from 21st Century to Cold War spy novelTelegraph.co.ukall 14 news articles »


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