Hmmmmm:
The magnetic bomb which was planted by an unknown motorcyclist under the car of Mostafa Ahmadi Roshan Behdast, a professor at Tehran’s technical university, also wounded two other Iranian nationals in Seyed Khandan neighborhood in Northern Tehran.
Ahmadi Roshan, 32, was a graduate of oil industry university and a deputy director of Natanz uranium enrichment facility for commercial affairs.
No more details have been revealed about the blast.— Fars News Agency :: Terrorists Kill Commerce Deputy of Iran’s Nuclear Enrichment Site
Mossad? CIA? (sarcasm of course…)
It is to wonder.
Whomever it is…. keep it up! 
Others: YID With LID and Israel Matzav