Commonly expected or implicated individuals.

an American rap group from the 3rd Ward of New Orleans, Louisiana.

Common culprits typically under suspicion.

A series of murders that took place in the East End of London between August and November 1888 have been attributed to an unidentified assailant nicknamed Jack the Ripper.

Many Black Dahlia suspects, or persons of interest, have been proposed as the unidentified killer of Elizabeth Short, nicknamed the "Black Dahlia", who was murdered in 1947.

Note: This decree should not be confused with the Law of General Security, also known as the "Law of Suspects," adopted by Napoleon III in 1858 that allowed punishment for any prison action, and permitted the arrest and deportation, without judgment, of anyone convicted of political offenses after 1848.

The closed circle of suspects is a common element of detective fiction, and the subgenre that employs it can be referred to as the closed circle mystery.