[JURIST] Despite answering questions [JURIST report] before the Iraqi Special Tribunal [official website; JURIST news archive] in late June, former Iraqi deputy prime minister Tariq Aziz [BBC profile] said Tuesday that he will not testify against Saddam Hussein [JURIST news archive] at his upcoming trial. Saddam has been officially been charged only for the 1982 killings of dozens of Shiites in response to an assassination attempt though more charges are pending; charges have yet to be filed against Aziz. Some observers speculated that Aziz would be a key witness for the prosecution [JURIST report]. Reuters has more.