ABC News reports:

"The FBI has brought four Iraqi witnesses, including the father of a dead 9-year-old boy, to testify before a federal grand jury investigating Blackwater security guards accused of killing 17 innocent civilians last year at a Baghdad traffic square. "

"The men were brought in over the weekend and seen today at the federal courthouse in Washington, D.C., where the Blackwater grand jury has been sitting since last November. "

"In interviews with ABC News before leaving Baghdad, the men all said the Blackwater shootings were unprovoked. "

This video is from ABC's World News, broadcast May 27, 2008.

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