This article uses this as evidence of a possible connection between the Iraqi government and bin Laden, but the Yasin information also is one more piece of evidence suggesting a connection between bin Laden and the '93 WTC bombing. At the time, bin Laden was pretty much only a funder of Islamist causes, but he could easily have been involved in the funding for the '93 bombing.
I noted that a son of blind sheikh Omar Rahman was killed in Afghanistan last week in the same explosion that killed al Atef, and that the sheikh's son has been in Afghanistan for 11 years.
Formed in 1963, the Mujahedeen Khalq began as an underground movement dedicated to overthrowing the former shah of Iran and installing a democratic government. Originally, the movement advocated peaceful means to create a new regime that would combine a constitutional monarchy with West European-style socialism; its ideology is described as a mix of Marxism and Islam.