Julian Assange is wanted for crimes that put at risk the lives of people in Iraq, Iran and Afghanistan who had helped the West, some of whom later disappeared, said a lawyer acting for the United States in its bid to extradite him.Almost a decade since his WikiLeaks website enraged Washington by leaking hundreds of thousands of secret U.S. documents, Assange, 48, is fighting extradition from Britain to the United States where he is accused of espionage and hacking.