1.
The character who has had the crime done to them
2.
The character who solves the crime
3.
The setting in which the crime was committed
4.
The end of the story when the murderer is revealed
5.
The reason why the murderer commits the crime
6.
The facts used to accuse the murderer
7.
A structural feature used to illustrate previous events
8.
The characters who might have committed the crime
9.
The character to whom the investigator has to explain their process; their partner
10.
A piece of evidence that sends the investigator in the wrong direction
11.
The character who actually committed the crime
12.
The killing of a character