When CIA officials first delved into David Rush, they were focused on concerns about what he may have divulged to a foreign official and were not yet aware of the large-scale fraud that he eventually admitted to in his plea hearing, sources say. ↧ Compromise of secret intel informant triggered probe of CIA officer... As authorities investigated David Rush on suspicion of compromising a secret source, they uncovered more wrongdoing, officials said. He was eventually fired.