Apologia: The Truth Behind the Crime

In the “Apologia” chapter, Dr. Sheppard reflects on his meticulous planning of Roger Ackroyd’s murder, using a dictaphone and strategic timing to mislead others. He confesses in a manuscript meant for Poirot, explaining his motives, the dagger, and his fears about discovery, before deciding on veronal for poetic justice. Poirot and Inspector Raglan are trusted to handle the truth.