11.  Lee, a naturalized citizen who is a native of Taiwan, eventually pleaded guilty to one count of mishandling classified data.

12.  Lee is charged with improperly downloading a vast quantity of classified data with the intention of providing it to a third country.

13.  Now, procedures are being put in place to prevent classified data at Los Alamos from being moved into the unsecure system from the classified system.

14.  One way they transmit classified data is by emitting extremely low-frequency radio waves that can be received only by a secure antennae in the western United States.

15.  Those tapes include vast amounts of classified data about U.S. nuclear weapons and have provided the government with some of its most important evidence against him.

16.  Astakhov said the decrees regulate the transfer of documents that may include classified data.

17.  Danneskiold said the lab is itemizing all classified data in response to the uproar over the disappearance of the hard drives last month.

18.  Defense Ministry officials said the memo Lee gave to Kwon contained no classified data and said that the procurement plan mentioned at the memo was never executed.

19.  Deutch apologized to the Senate committee for moving classified data to an unprotected computer in his home that was occasionally connected to the Internet.

20.  Deutch had been considering a deal with the Justice Department in which he would plead guilty to a misdemeanor charge of keeping classified data on his home computers.