ホワイダニット

noun

whydunit

A detective story or mystery that focuses on the motive behind the crime rather than the identity of the culprit. Contrasts with 'whodunit'.

• この小しょう説せつは犯はん人にん探さがしより動どう機きに重じゅう点てんを置おいたホワイダニットだ。

  This novel is a whydunit that focuses on the motive rather than finding the culprit.