The word of the day at Dictionary.com is Assassin.
Are there really ever any coincidences?
It first came into Western culture around the 13th century in France and Italy.
It comes from an Arabic word, hashishiyyin, or hashish users.
The hashishiyyin were a fanatical Ismali Muslim sect during the time of the Crusades who would get hopped UP on hash by eating it and go on a killing spree against those who believed differently than they.
Have a good Sunday.