whodunit
US /ˌhuːˈdʌn.ɪt/
UK /ˌhuːˈdʌn.ɪt/

1.
detectiveroman, whodunit
a story or play about a murder in which the identity of the murderer is not revealed until the end
:
•
She loves reading classic whodunits by Agatha Christie.
Ze leest graag klassieke detectiveromans van Agatha Christie.
•
The movie was a gripping whodunit with many twists.
De film was een meeslepende detective met veel wendingen.