This document is a Department of Defense (DOD) Memo discussing the apparent suicide of three (3) Guantanamo Bay detainees on June 10, 2006. The detainees: Yasser Al Zahrani, Mana Shaman Allabardi Al Tabi and Ali Abdullah Ahmed apparently took their own lives by hanging while in their cells. The detainees apparently coordinated their suicides. This memo provides an update on the investigation into their apparent suicides.