Crime Fiction

some ways in which the genre can be subcategorized.

Mysteries

Cozies (amateur sleuths)

police procedurals

private investigators

historical mysteries

Coroner's Lunch and Moonligh Downs are both mysteries

thrillers/suspense

Serial killer

legal thriller

psychological suspense

Sun Storm is an example of a thriller with some police procedural aspects

Noir

In noir, things start out bad and quickly become hopeless but in a very stylish way..

Fiction involving crime that isn't crime fiction

Curious Incident - coming of age story. In the Lake of the Woods - literary fiction.