premise: A lawyer for ousted Iraqi president Saddam Hussein's codefendants was killed and another injured when gunmen opened fire at their car in Baghdad on Tuesday, police said.
  "Unknown gunmen opened fire at a car carrying the two defense lawyers in al-Adil district in western Baghdad, killing Adel Muhammed Abbas and wounding Thamir Hmoud Hadi," police officer Col. Ali Muhmoud told Xinhua. (Iraq-Saddam-Lawyers-2nd Lead)
  KHARTOUM, Nov. 8 (Xinhua) -- A British aid worker working for the International Aid Services (IAS) was ambushed and shot dead by armed men in southern Sudan, a spokesman of IAS said on Tuesday.
  Andreas Zetterlund said three members of its staff aboard a vehicle were ambushed Saturday by a group of armed men while they were traveling from Kaya in Uganda to Yei, a town in southern Sudan. (Sudan-Attack)
   How did the British aid worker get shot dead?
hypothesis: ambushed Saturday by a group of armed men