Mr Mohammadi was a 50-year old professor at Tehran University, The New York Times
reports. At the time of his death, Iran's Nuclear Agency said that he had did not have a role in their nuclear program.
According to BBC News
, Fashi was also accused of being a spy for the Israeli intelligence agency, Mossad, and receiving $120,000 for the killing. Israel has not commented on these claims.
Iran has accused Mossad, the CIA, and M16 of being involved in the assassinations of 5 Iranian scientists who were allegedly involved in its nuclear program, The Telegraph
The US and Israel believe that Iran is using its nuclear program in an attempt to acquire an atomic bomb, but Iran has claimed repeatedly that it's using its program for peaceful purposes.
reports that according to Iran's Irna news agency, Majid Jamali Fashi was hanged Tuesday morning.
According to The New York Times
, Professor Mohammadi was killed when a remote controlled bomb attached to a motorcycle went off outside his home.
Majid Jamali Fashi was tried and convicted for Mohammadi's killing in August, 2011, BBC News
reports. He appeared on Iranian TV in January, confessing to killing Mohammadi, and even giving details of the intelligence operation he was involved in.