This is a CID investigation into the death of Isam Yunis Hamdan, a detainee being held at the Mosul Detention Facility, Forward Operating Base (FOB) Diamondback, Mosul Iraq on December 29, 2007. It is reported that prior to his being interrogated, Mr. Hamdan was escorted to the medical screening where he collapsed and died. While on the way to medical screening Mr. Hamdan was complaining of stomach & chest pains. Upon arrival at the medical screening, he collapsed and went in to cardiac arrest. CPR and other life saving measures were preformed, but failed to revive him. Cause of Death: Atherosclerotic Cardiovascular Disease; Manner of Death: Natural.