Two of the bombers made recordings describing their reasons for becoming what they called "soldiers". In a taped broadcast by Al Jazeera on 1 September 2005, Mohammad Sidique Khan, described his motivation. The tape had been edited and mentioned al-Qaeda members Osama Bin Laden, Ayman al-Zawahiri and Abu Musab al-Zarqawi, calling themm "today's heroes". Khan's tape said: