A whodunit element is a key component of a mystery story. It typically includes a CRIME, MOTIVE, CLUE, and ALIBI. The crossword solutions for these elements are CRIME (5 letters), MOTIVE (6 letters), CLUE (4 letters), and ALIBI (5 letters). A CRIME is an act that is considered illegal or immoral. A MOTIVE is the reason why someone commits a CRIME. A CLUE is something that helps to solve a mystery. An ALIBI is an explanation of where someone was at the time of a CRIME.