Fast Facts on Abu Ayyub al-Masri:
Abu Ayyub al-Masri is an Egyptian with ties to Usama bin Laden's deputy, Ayman al-Zawahri.
Abu Ayyub al-Masri is an Afghanistan-trained explosives expert.
Abu Ayyub al-Masri is a key figure in the Al Qaeda in Iraq network.
Abu Ayyub al-Masri was responsible for facilitating the movement of foreign fighters from Syria into Baghdad.
U.S. Military: Abu Ayyub al-Masri has been a terrorist since 1982.
Abu Ayyub al-Masri was involved with Egyptian Islamic Jihad, which was led by al-Zawahri.
Raids in April and May in southern Baghdad recovered material confirming al-Masri's high-level involvement in the facilitation of foreign fighters.
Al-Masri's ability to exert leadership over Al Qaeda cells remains unclear.