noun
howdunit
A detective story subgenre where the focus is on how the crime was committed, rather than who did it. Often contrasted with フーダニット (whodunit).
このミステリーはハウダニットの要素が強い。
This mystery has strong howdunit elements.
ハウダニットでは、犯人の手口が物語の中心になる。
In a howdunit, the criminal's method becomes the center of the story.