NEW : NASA is `` disappointed '' by the decision . Lawyer for McKinnon says it is `` a great day for British justice '' the United States home secretary blocks extradition of McKinnon to the United States . However , under Britain 's Extradition Act of 2003 , U.S. prosecutors are not required to provide such evidence . UK prosecutors accuse him of breaking into military , McKinnon and civilian networks .
NEW : NASA is `` disappointed '' by the decision . Lawyer for McKinnon says it is `` a great day for British justice '' the United States home secretary blocks extradition of McKinnon to the United States . UK prosecutors accuse him of breaking into military , McKinnon and civilian networks .