In detective stories, the protagonist is typically a detective or investigator who is responsible for solving the mystery.

The detective's main goal is to uncover the truth behind the mystery, which may involve apprehending the criminal, clearing the name of the accused, or recovering stolen property.

Sleuthing is a term used to describe the process of gathering information and evidence in a detective investigation.

Planting false evidence is an unethical and illegal practice that is not used by legitimate detectives.

Deduction is the process of reasoning from general principles to specific conclusions, which is commonly used by detectives to analyze evidence and solve mysteries.

Eureka moment is a term used to describe a sudden realization or insight that leads to a breakthrough in the investigation.

Anonymous tips are not a common type of clue found in detective stories, as they are often unreliable and difficult to verify.

Circumstantial evidence is a piece of evidence that is indirectly related to the crime but can still help in solving the mystery.

The suspect is a person who is suspected of committing the crime.

Historical mystery is not a common type of detective story, as it is a subgenre of mystery fiction that is set in a historical period.

A private investigator is a detective who works for a private agency rather than a government organization.

A happy ending is not a common characteristic of a classic detective story, as the focus is often on solving the mystery rather than providing a satisfying conclusion.

The Lone Wolf is a term used to describe a detective who is known for their unconventional methods and disregard for authority.

A spaceship is not a common setting for a detective story, as it is a more futuristic and science fiction-oriented setting.

The By-the-Book Detective is a term used to describe a detective who is known for their meticulous attention to detail and methodical approach to solving crimes.