It is very interesting that Ayman Zawahiri was a member of the Muslim Brotherhood that assassinated Sadat and now he is the leader of Al Qaeda. Sadat turned his back on the Soviet Union by talking peace with the USA and Israel; costing him his life.
The Soviets had strong influence over Islamic terrorist organizations such as Islamic Jihad and the PLO, but these organizations are always changing their names for the purposes of deception. Today, the Russians just use the Iranian state as the proxy for their terror so their fingerprints are not left on anything.
The Obama Administration supports the Muslim Brotherhood knowing that they have ties to Al Qaeda, but nobody dares to mention the link.