A WHODUNIT discovery is a type of mystery novel or film in which the reader or viewer is presented with a crime and must use clues to figure out who committed it. The term 'WHODUNIT' is derived from the phrase 'who done it?' and is used to describe a story in which the identity of the perpetrator is unknown until the end. In this particular crossword, the solutions for MOTIVE (6 letters), BODY (4 letters), CORPSE (6 letters), and FOULPLAY (8 letters) provide the necessary information to solve the mystery. MOTIVE refers to the reason why someone commits a crime, BODY is the physical form of a person, CORPSE is a dead BODY, and foulplay is criminal activity. Together, these four words provide the clues needed to discover the identity of the perpetrator in a WHODUNIT mystery.