The Bush administration is not saying what kinds of information Aziz and Hijazi might provide.

CNN: Bush might announce end to Iraqi combat, sources say

Hijazi was the third-ranking Iraqi intelligence official at the time of the alleged plot, officials said.

CNN: Bush might announce end to Iraqi combat, sources say

Hijazi had asked for permission to enter Syria, but his request was denied, Syrian officials told reporters.

CNN: U.S.: Ex-Iraqi intel chief in Syria