Two other examples: 'Law & Order: Criminal Intent' explicitly based its plots on discovering the motivations behind the crime, while the perpetrator was known

Two other examples: 'Law & Order: Criminal Intent' explicitly based its plots on discovering the motivations behind the crime, while the perpetrator was known to the audience from the start. 'Criminal Minds' similarly examines profiles the state of mind of the perpetrator to identify a suspect, with the person's identity known to the audience in advance more often than not.