Was Russia involved in spy's poisoning?
CNN's Randi Kaye looks at the new inquiry surrounding Russia's alleged role in the 2006 poisoning death of a Russian spy.
02:55 - Source: CNN AP
The world of spies 10 videos
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CUBA: "Interesting timing.... Without warning a Russian spy ship glided into Havana's harbor Tuesday morning, docking a few hundred yards from the CNN Havana bureau. The Viktor Leonov visited Cuba before in 2014, then presumably to eavesdrop on US telecommunications. On Wednesday, a State Department delegation - the highest level US government delegation in decades - will travel to Havana to discuss migration issues and the restoration of full diplomatic ties. Its unclear if the spy ships presence will affect those historic talks." - CNN's Patrick Oppmann, January 20

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(FILES) A file picture taken 14 September 2004 shows Russian ex-spy and fierce Kremlin critic Alexander Litvinenko, after a press conference in London. The British government has evidence that the Russian state was involved in the radioactive poisoning of Litvinenko, a hearing into his death was told yesterday. A hearing ahead of a full inquest that is due to take place next year was also told that Litvinenko had been working with the Spanish secret service as well as with British intelligence AFP PHOTO/ Martyn HAYHOW (Photo credit should read MARTIN HAYHOW/AFP/Getty Images)
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