The 60-year-old Lee went free on September 13 after pleading guilty to one felony count of mishandling weapons secrets.

CNN: FBI director Louis Freeh testifies on Wen Ho Lee case

China has also acquired some of our most sensitive military secrets, including designs for nuclear weapons.

FORBES: Fact and Comment

Obtained several secrets critical to development of advanced nuclear weapons, including sensitive missile guidance systems and a so-called rail gun that uses electro-magnetic waves to propel missiles.

CNN: Sources: Report finds China stole 'sensitive' nuclear data

Bishop, a lieutenant colonel in the U.S. Army Reserve, is accused of telling her secrets about U.S. nuclear weapons, missile defenses, war plans, early warning radar systems and other issues.

NPR: Woman At Center Of Spy Allegations Is Enigma

At Rhydymwyn, he worked for over a year on highly sensitive research into the manufacture of weapons-grade uranium, all the time passing those secrets to the Soviets, the historian claims.

BBC: Spy leaked secrets 'like sieve'

Another team has been working on a monitoring device to check that materials and weapons are where they are said to be, without design secrets being stolen.

ECONOMIST: The new nuclear pioneers

Obtained secrets about at least seven separate U.S. nuclear weapons and warheads, including several nuclear warheads still at the core of the U.S. arsenal, like the W-87 for the MX missile and those used on U.S. Minuteman long-range missiles, and on submarine-based Trident nuclear missiles.

CNN: Sources: Report finds China stole 'sensitive' nuclear data

Perhaps an Iranian nuclear scientist rational, humanistic, a man of erudition will realize one day what it would mean for the Islamic Republic to have nuclear weapons and will emerge from the subterranean centrifuge halls of the Iranian desert with secrets in hand.

WSJ: The Spy Who Turned Me

They looked the other way when China proliferated nuclear weapons material to Pakistan and Iran, refused to take action when Chinese spies stole military secrets from US nuclear laboratories, and declined to reassure Taiwan that it can count on US support if it is attacked or invaded by Beijing.

CENTERFORSECURITYPOLICY: Did Clinton Want to Lose the CTBT?

In response, a Republican-controlled Congress pushed to categorize communications satellites as weapons and initiate the export ban in order to keep China from learning more U.S. secrets.

FORBES: Obama Drops Satellite Ban, Gives Aerospace Industry A Lift