The U.S. Justice Department needs to pay more attention to names and numbers when requesting other governments to detain its citizens, Hong Kong officials say.

By now, the world is very familiar with the name Edward Snowden, the former U.S. government contractor who says he has leaked classified information about the U.S. National Security Agency's data-collection methods. But at least when it comes to U.S. and Hong Kong authorities, his middle name is a matter of some dispute.

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