The attack that killed the alleged architect of Iran’s nuclear weapons program on Friday was carried out from afar using a remote-controlled machine gun attached to a car, a leading Iranian news site reported Sunday. According to the semi-officials Fars news site, the entire operation was conducted with no human agents whatsoever, a significantly different description of the attack than has been presented until now. The account was not attributed to official sources and was not immediately confirmed by Iran. According to the outlet, the assault took place over the course of three minutes as Mohsen Fakhrizadeh — a brigadier...