The poisoning of former Russian military intelligence officer Sergei Skripal and his daughter in southern England, most likely by Russian intelligence agents, highlights the role of espionage in Russia’s relations with the West. Skripal had been a double agent for the British from the 1990s until he was arrested by Russian security forces in 2004. Britain got him back in a spy swap in 2010. Espionage often generates misconceptions — by virtue of its secrecy.

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