
He’s motivated by a personal, philosophical interest in the case of Roger’s murder (see Detection theme), and answers to his own personal code of right and wrong.


Over the course of The Murder of Roger Ackroyd, Agatha Christie draws an important distinction between the law-symbolized by Inspector Raglan, who is duty-bound to investigate Roger Ackroyd’s murder and prosecute the killer in court-and ethics, symbolized by Hercule Poirot.įrom the beginning, Christie shows that Poirot marches to the beat of his own drum.
