whodunit

Definitions of whodunit
1

n a story about a crime (usually murder) presented as a novel or play or movie

Synonyms:
mystery, mystery story
Types:
detective story
a narrative about someone who investigates crimes and obtains evidence leading to their resolution
murder mystery
a narrative about a murder and how the murderer is discovered
Type of:
story
a piece of fiction that narrates a chain of related events

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