CNN's Carol Cratty, Briana Keilar, Brian Todd, Bob Kovach, John King, Barbara Starr, Deirdre Walsh, Rafael Romo, Jessica Yellin and Tom Cohen contributed to this report.

CNN: STORY HIGHLIGHTS

CNN's John King, Alec Miran and Barbara Starr contributed to this report.

CNN: The story

CNN's John King, Dan Lothian, Barbara Starr, Randi Kaye, Chelsea J.

CNN: STORY HIGHLIGHTS

CNN's John King, Sheila MacVicar, Karl Penhaul, Robin Oakley and Barbara Starr contributed to this report.

CNN: Pentagon to probe alleged abuse of Iraq detainees