 A single assassination was usually employed in favour of widespread bloodshed resultant from factional combat.The first instance of assassination in the effort to establish an Nizari Ismaili state in Persia is widely considered to be the murder of Seljuq vizier, Nizam al-Mulk.Carried out by a man dressed as a Sufi whose identity remains unclear, the vizier's murder in a Seljuq court is distinctive of exactly the type of visibility for which missions of the fida’is have been significantly exaggerated.