WikiLeaks founder Julian Assange

Embattled WikiLeaks founder Julian Assange made a rare appearance on Dec. 20, 2012, to announce that he will remain at the Ecuadorian embassy in London, where he holed up six months ago to avoid extradition to Sweden for alleged sex crimes, as long as the U.S. continues its investigation of him.

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Julian Assange, the 40-year-old WikiLeaks founder, arrives at the Supreme Court in London, Wednesday, Feb. 1, 2012. Assange's legal team is making a final effort at Britain's Supreme Court to avoid his extradition to Sweden. Assange is wanted by Swedish authorities over sex crimes allegations stemming from a visit to the country in 2010. He denies any wrongdoing.(AP Photo/Kirsty Wigglesworth)
Julian Assange, the 40-year-old WikiLeaks founder, arrives at the Supreme Court in London, Wednesday, Feb. 1, 2012. Assange's legal team is making a final effort at Britain's Supreme Court to avoid his extradition to Sweden. Assange is wanted by Swedish authorities over sex crimes allegations stemming from a visit to the country in 2010. He denies any wrongdoing.(AP Photo/Kirsty Wigglesworth)