Murder by Polonium-210: A Widow's Stalled Quest for Justice

In the Litvinenko murder, the key suspect is safe in Russia.

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Radioactive residue. On the same night, British police informed her that the poison was polonium and told her to leave her house. Because of residual radioactivity, it can't be inhabited for at least four years. The fittings of the Pine Bar were ripped out and destroyed at the Sellafield nuclear power facility in northern England, Andrade says.

There is little chance Lugovoi will ever face questioning. Kremlin officials still refuse to extradite him. And, as a member of parliament, he is immune from prosecution in Russia. "Any accusation should be strengthened with evidence," asserts Lugovoi's press secretary. "That hasn't been presented by the British side." Britain's Crown Prosecution Service, meanwhile, is still hoping for the best. "Our position remains the same as it was in May," says spokeswoman Julie Seddon. "We have an extradition request for Mr. Lugovoi for the charge of murder, and the appropriate place for a trial is the U.K."

Marina is currently living off a grant from a fund headed by Berezovsky and resides with Anatoly, now 13, in London. She's a little worried about her health—she's been told she has a slightly higher risk of cancer due to some radiation exposure—but she says Anatoly wasn't exposed. She has coauthored the book Death of a Dissident and gives occasional interviews out of a sense of duty to her late husband.

Now, she is thinking of teaching ballroom dancing, as she did years ago in Moscow. In Soviet times, she had been a competitive dancer, dreaming of one day going to England, home of the famous Blackpool dance competition. She had no inkling of what fate held in store there.