Apostasy in Islam taken place. Justifications offered for the alleged executions vary, but one of the most common theories advanced is that they were in retaliation for the 1988 attack on the western borders of Iran by the PMOI Mujahedin. However, this does not fully account for the targeting of other leftist groups who opposed the Mujahedin invasion. Salman Rushdie is a prominent contemporary figure accused of apostasy. In 1989 a fatwa was issued by Ayatollah Khomeini, the ruler of Iran at the time, calling for the death of Salman Rushdie for the blasphemy of authoring the book "The Satanic Verses". Hossein Soodmand,
The Satanic Verses controversy why one of the few groups to speak out in Muslim countries against Khomeini and for Rushdie's right to publish his book were other writers. Nobel prize winners Wole Soyinka of Nigeria and Naguib Mahfouz of Egypt, both attacked Khomeini, and both received death threats as a result, with Mahfouz later getting stabbed in the neck by a Muslim fundamentalist. Some Western politicians and writers did criticise Rushdie. Former United States president Jimmy Carter, while condemning the threats and fatwa against Rushdie, stated, "we have tended to promote him and his book with little acknowledgment that it is a direct