交こう換かん殺さつ人じん

noun

murder swap; murder exchange

A scheme in which two or more conspirators agree to kill each other's intended victims, aiming to eliminate motive and reduce suspicion. Often used in crime fiction and legal contexts.

• 交こう換かん殺さつ人じんは、推すい理り小しょう説せつでよく使つかわれるトリックだ。

  A murder swap is a trick often used in detective novels.

• 警けい察さつは交こう換かん殺さつ人じんの可か能のう性せいを調しらべている。

  The police are investigating the possibility of a murder exchange.