 His service was notable as he was in charge when three prisoners, Mani Shaman Turki al-Habardi Al-Utaybi, Salah Ali Abdullah Ahmed al-Salami and Yasser Talal Al Zahrani, died in the custody of US forces.Defense reported the deaths as suicides.Harris said at the time,

Harris ordered a full investigation by the Naval Criminal Investigative Service (NCIS), which published its report in a heavily redacted version in August 2008.