From Wikipedia
Mohammad-Reza Kolahi (Persian: محمدرضا کلاهی), was a member of the People's Mujahedin of Iran (MEK) that, according to Iranian authorities, was suspected of planting a bomb at the headquarters of the Islamic Republican Party (IRP) that killed more than 70 officials in 1981.[4] Kolahi was assassinated in 2015. The Islamic Republic of Iran is believed to have been behind the assassination.[4]
He reportedly was a freshman student of electrical engineering who worked as an electrician in the IRP.[2]
https://en.wikipedia.org/wiki/Mohammad-Reza_Kolahi