[9] However, in an interview published in the Christian Science Monitor in July 2014, his widow Mansoureh Karami spoke of his "top secret nuclear work".

[17] Mohammadi was among 240 university professors who signed a letter before the 2009 Presidential Election expressing support for the main opposition candidate, Mir Hossein Moussavi.

[1] On 12 January 2010, at 07:58 am, a motorbike rigged with explosives and parked near his car exploded while he was leaving home in Gheytariyeh neighbourhood of northern Tehran, for university.

[19] The windows of residences around the scientist's home were shattered by the force of remote controlled explosion, and it was reported that two other people were also injured in the blast.

[22] Ynetnews stated that "there is no known connection between his participation" in the SESAME, an international synchrotron-radiation facility located in Jordan, and the assassination.

[23] According to US intelligence sources, Israel is running a secret war against Iran, among techniques used are the killing of important persons in the Iranian atomic energy program.

[24] Another source found the assassination of "a 50-year-old researcher with no prominent political voice, no published work with military relevance and no declared links to Iran's nuclear program", as puzzling, although there were comparisons with the disappearance of Shahram Amiri in 2009 and the death of Ardeshir Hosseinpour in 2007.

[citation needed] Fashi's arrest may have come as a result of a September 2009 WikiLeaks diplomatic cable from the US Embassy in Baku, Azerbaijan.

[32] The BBC's Tehran correspondent Jon Leyne said "Iranian media were unusually quick off the mark to report the killing, to show television pictures, and to give the sort of details that usually only emerge after hours, days, or weeks in this secretive state".

[34] According to Iranian-Israeli analyst Meir Javedanfar, It is "possible that Mohammadi was assassinated by a foreign intelligence agency" with the aim of stopping the Iranian nuclear program and also causing embarrassment for the government of Ahmadinejad.

[14] Al Jazeera reported that authorities on condition of anonymity have confirmed his involvement with Iranian nuclear program.

[38] The Economist also quoted anonymous Western sources describing him as "one of the most important people involved in the [nuclear] programme".

[43][44] An article in Time magazine claimed that a Western intelligence source confirmed the truth of the confession of Majid Jamali Fashid, who said he assassinated Masoud Alimohammadi on behalf of Mossad, Israel.