He said he waited to break his silence until he returned to his military base in Schweinfurt, Germany.

CNN: STORY HIGHLIGHTS

The soldiers, who were based in Schweinfurt, Germany, were videotaped in January 2008 during the Army's investigation into what happened at a Baghdad canal the previous March.

CNN: Army tapes reveal motive in Iraq prisoner killings

Kim Hatley made a video in a field in Schweinfurt, Germany, where she and her husband lived before he was sent to the U.S. military prison at Fort Leavenworth, Kansas.

CNN: Wives say sergeants are heroes, not criminals