The slayer kills (or nearly kills or harms) the unrecognized victim, who is actually a relative or friend of the slayer. Thus a seemingly justified act suddenly becomes unjustified.
If the recognition fails until after the murder, the drama is unbearable.
Exampless
• Being upon the point of slaying a daughter unknowingly by command of a divinity or an oracle.
• Being upon the point of slaying a daughter unknowingly through political necessity.
• Being upon the point of slaying a daughter unknowingly through a rivalry in love.
• Being upon the point of slaying a daughter unknowingly through hatred of the lover of the unrecognized daughter.
• Being upon the point of slaying a son unknowingly.
• Being upon the point of slaying a son unknowingly, strengthened by Machiavellian instigations.
• Being upon the point of slaying a son unknowingly, strengthened by Machiavellian instigations, intermixed with hatred of kinsmen.
• Being upon the point of slaying a brother, unknowingly, in anger.
• A sister, upon the point of slaying a brother, unknowingly, through professional duty.
• Slaying of a mother unrecognized.
• Slaying of a father unknowingly, through Machiavellian advice.