The story

The FBI has not yet interviewed five "key" members of a Blackwater security team involved in the shooting deaths of 17 Iraqis, a Blackwater spokeswoman said Wednesday.

In addition, a senior U.S. official who asked not to be identified told CNN that "most, if not all, of the shooters" in the September 16 killings "have not been interviewed."

An FBI team has been in Baghdad investigating the shootings by Blackwater security contractors who were hired by the State Department to protect U.S. diplomats. Read full article »

CNN's Barbara Starr and Kelli Arena contributed to this report.

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