A Spy's Motivation: Ideology, Not Money Motivates Americans to Spy Against the U.S.

Prior to 1990, just a fifth of Americans spying for others were ideologically motivated.
The March report, obtained by the Federation of American Scientists' Secrecy in Government project, compares trends among the 173 Americans known to have spied against the U.S. since 1947, of which 37 began their spying since 1990.
Only five of those 37 spies are known to have received payment for their work. Of the 11 spies identified since 2000, none was paid — although five had hoped to be. But almost half of those spying against the U.S. since 1990 demonstrated an allegiance to a foreign country or cause.
Increasingly, that cause is wrapped up in the war on terror. More...