Tracking the radioactive poison that killed a Russian secret service defector

In 2006, Russian FSB (formerly KGB) defector Alexander Litvinenko was the victim of a rare and frightening poison: a tiny speck of polonium-210, delivered in a cup of tea, was enough to destroy his body from the inside out. ...

via Tech News Headlines - Yahoo! News http://www.theverge.com/2013/11/29/5157832/tracking-the-radioactive-poison-that-killed-alexander-litvinenko