Abid Hamid Mahmud, the former private secretary of Saddam Hussein, was tried by the Iraq Special Tribunal for various crimes. He was charged with war crimes, crimes against humanity, and other offenses committed during Saddam Hussein's regime.

Trial Outcomes:

• Conviction: Abid Hamid Mahmud was convicted for his role in the suppression of the Shia uprising in 1991 and other atrocities.
• Sentence: On October 26, 2006, he was sentenced to death by hanging.

His role was crucial as he was one of Saddam's closest associates, often described as his right-hand man. Through the tribunal's effort, international and local laws aimed at justice for the atrocities committed under the regime were upheld. The trials were part of a broader initiative to address the human rights abuses and other crimes that occurred during Saddam Hussein's rule.

For more detailed information, you can refer to news archives and reports from credible sources, such as:

• BBC News: [link to the relevant article]
• New York Times: [link to the relevant article]

These sources provide comprehensive coverage of the trial proceedings and outcomes.