From YahooNews.COM:

I was just hunting UFOs, says Pentagon’s UK hacker

By Michael Holden

LONDON (Reuters) - To the United States, he is a seriously dangerous man who put the nation’s security at risk by committing “the biggest military computer hack of all time.”

But Briton Gary McKinnon says he is just an ordinary computer nerd who wanted to find out whether aliens and UFOs exist.

During his two-year quest, McKinnon broke into computers at the     Pentagon,     NASA and the Johnson Space Center as well as systems used by the U.S. army, navy and air force.

(more here)